This steel, no-date1961 Constellation was sold at Thule Air Base, Greenland in 1962, has the original Omega box, full papers and original Omega stainless steel bracelet with folding clasp, and boasts the chronometer grade, self-winding, 24 jewel caliber 551, adjusted to 5 positions and temperature.
"That a wristwatch is a small celestial theater. It is a small sky. A device for the measure of shadows." -Gabriel Gudding
Wednesday, September 18, 2019
1961 Omega Constellation "Pie Pan" Chronometer Full Set
Monday, June 10, 2019
1964 Rolex ref1002 Oyster Perpetual Chronometer
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There is no 7205 stamp on the back of the largest link (correct for the period) and the clasp blade is stamped with the year (1965) to match this. I have never used the original bracelet in order to preserve its pristine condition, and I wear this watch on an additional aftermarket Oyster bracelet for daily use.
The original tritium dial is correctly marked "T SWISS T" (for pre-1965) with tritium plots. The dial is in excellent condition, with minor age marks visible under the loupe. The rare Dauphine hands show signs of aging, visible under the loupe.

The cal 1560 with its Microstella screws and Bregeut free-sprung hairspring was used until 1965 in a number of chronometer-certified models, including the legendary Rolex 1016 Explorer and the Rolex 5512 Submariner. The movement is clean, and accurate to a few seconds a day.
This watch comes with an original Rolex box, cigarette card, Bucherer Rolex spoon as well as a 1960s advertisement extolling the Rolex Oyster Perpetual 1002 as the chronometer chosen by Sir Francis Chichester to accompany him on his single-handed circumnavigation of the globe in 1966.
Wednesday, May 2, 2018
Tuesday, May 1, 2018
Friday, February 6, 2015
Hodinkee: A Vintage Grand Seiko Chronometer Wristwatch With A Bargain Basement Estimate
Hodinkee, the world's leading online wristwatch magazine, published a report on a Grand Seiko 5277 Chronometer offered for sale on Antiquorum's Important Modern & Vintage Timepieces 2011 auction in New York.
The good thing is that a second generation Grand Seiko chronometer has made it into Antiquorum's Important Modern & Vintage Timepieces auction to be held in New York tomorrow.
The bad: well, let's see if we can spot the mistakes in their description:
SEIKO - GRAND SEIKO - CHRONOMETER Grand Seiko GS Seiko, Japan, No. 514855, case No. 5500504, Ref. 5722-9990. Made in the 1970's. Fine, center seconds, water-resistant, stainless steel wristwatch with date and a stainless steel Seiko buckle. C. Three-body, polished and brushed, screwed-down case back with embossed gold logo, inclined bezel, sapphire crystal. D. Matte silver with applied steel faceted baton indexes, outer minute track, aperture for the date. Steel dauphine hands. M. Cal. 5722A, rhodium-plated, 35 jewels, straight-line lever escapement, monometallic balance, shock absorber, flat balance spring, index regulator, hack mechanism. Dial, case and movement signed. Diam. 37 mm. Thickness 11 mm.
This particular chronometer was manufactured in May 1965 (serial no.5500504, case number 9990, caliber 5722A, acrylic crystal), and succeeds its immediate (and almost identical but infinitely more collectible) predecessor, the "Olympic" 1964 cal. 430/43999 Grand Seiko Chronometer. For more information on the significance of the 43999 and 5277 caliber chronometers, please visit my blog post at: http://vintageseikoblog.blogspot.com/2011/05/reflections-on-1964-cal-43043999-grand.html
I would consider this a good investment for 1000USD, although a similarly priced 1964 production 43999 is more collectible and should be considered a better investment.
Actually, the 5722 is not that rare, and appears relatively frequently on eBay and Yahoo!Japan. Going prices seem to hover around the 1000-1500USD mark. It will be interesting to see the final price, but I'm personally not expecting it to go for more than the estimate. Things to look out for are condition of the medallion (often missing or damaged), the correct crown and possible redials. I'm surprised Antiquorum does not show the caseback and movement, perhaps one needs a subscription to view these? It is very rare to see an original bracelet and buckle, and I have yet to see one offered with original papers and box, although there was one on Rakunen some time ago IIRC. Again, personally, I would pay a premium for a cal.430/1964 caseback because of the historic link to the 1964 Tokyo Olympics and the pivotal importance of this event in Seiko's development.
It went for 2125USD, well over estimate. The WWII B-Uhre mentioned in Hodinkee's earlier post went for their estimates or below, despite their coverage. It will be interesting to see if their coverage and the very appearance of a vintage second generation GS chronometer on Antiquorum heralds a new era of popularity for vintage GS'. In a couple of years people may very well be looking back to the good old days where a vintage GS chronometer could be had for under 3K!
Now, why would Seiko be appearing on Antiquorums Important Modern & Vintage Timepieces auction in the first place - is it because vintage GS are now considered Important Modern & Vintage Timepieces in their own right, following the expansion of the line from Japan-only to global... or is there a conscious movement afoot to create this perception among buyers. If so, what (and who) could the drivers of this movement be?
Wednesday, June 19, 2013
My father's watch...
Wednesday, February 6, 2013
Speedmaster anomaly?
Ever since I first began my interest for the Speedmaster Moon watch, I asked myself: surely, given the importance of timing, NASA would have built timing modules into the space suits...a couple of stopwatches, mission timer etc...probably in a specially designed nylon housing with ultra large dials and indices, hands and pushers, backlight etc. It seems a little illogical that NASA would say: oh, we need a timer for EVAs, lets just buy a watch off the shelf...
After using the Speedmaster in space twice (Gemini 12; Apollo 11) Buzz Aldrin gives us a first-hand insight as to the effectivenes of the Speedmaster as a space watch:
"I had a watch on but I don't think I looked at it. Which would probably say that I should have had it set at something so that it was just not a normal time going around, but going from some specific...It was a lousy watch to have on the surface. It just didn't give good numbers as far as a stopwatch type thing. To have gone to all that expense and then to have crews out on the surface with just an ordinary watch, in retrospect, is a mistaken priority somewhere." Source: http://history.nasa.gov/alsj/a11/a11.evaprep.html
And upon completing the EVA on the lunar surface (closeout):
111:34:43 Aldrin: I think my watch stopped, Neil.
111:34:46 Armstrong: Did it? (Pause)
111:35:01 Aldrin: No it didn't, either. (Garbled) second hand. (Pause)
Source: http://history.nasa.gov/alsj/a11/a11.clsout.html
Thinking about it logically, a regular watch worn outside the space suit must have been difficult to read, to say the least. Buzz Aldrin appeared to have problems reading his. In shadow - impossible. Pressing the pushers must have been a problem too, but I am not that sure they were used while "moon-walking". Muliple timing tasks - forget about it.
But, (amazingly to me) - NASA has stuck to off-the-shelf Omegas since. That's great for us who "dig" the whole moon-watch story, but has anybody else ever wondered at the "anomaly" of NASA using a regular sized, common-or-garden wristwatch (with a tachymeter scale
Omega Speedmaster "Chronometer" donning & hacking, EVA preparation, Apollo 11 protocols
The first reference comes on page Sur-27 of the Surface Checklist (at 106h49), where the begin donning the PLSSs (Portable Life Support System or backpack) and the Oxygen Purge Systems (OPSs). Chronometers are fitted to the RH gloves, which at this stage are not donned:
Page SUR-37 mentions the chronometer on the RH gloves:
The gloves themselves are donned at 108h42:
Prior to the EVA, hacking of the chronometers takes place:
And a little later:
And the rest, as they say, is history...
References/Credits:
http://history.nasa.gov/alsj/a11/a11.evaprep.html
http://history.nasa.gov/alsj/a11/surface11.html
How to fit a domed sapphire crystal (Seiko 6309-7040)
Having seen a number of questions regarding the fitting of new crystals to Seiko divers, I have prepared the following simple guide. From the outset I would like to say that anyone can do this, with a few simple tools, even if their 9-year old son William is watching and has an inexhaustible line of questions.
Start with a clean work area. A sheet of printer paper gives a nice, dust-free work surface. The crystal is a domed sapphire crystal from Harold Ng (Yobokies), the watch is a wonderfully patinaed original vintage Seiko 6309 on a Super Oyster with Yobokies solid end links:
Using a sharp pocketknife, ease the bezel off by pushing the knife under the crystal and twisting gently. The bezel will pop off. Take care not to lose the small steel ratcheting ball.
Tell William to keep quiet. Use a rubber-ball (or other) caseback remover to...remove the caseback:
Press down on the retaining mechanism and remove the crown:
Turn the watch over and gently tip out the movement. Cover the movement with a shot glass:
Get another shot glass, pour a whiskey and tell William to keep quiet. Rummage in your box of tools and find the crystal press:
Remove the crystal retaining ring in the same way you removed the bezel:
Send William out to blow his nose. Crystal retaining ring removed:
Use crystal press to remove crystal. A firm squeeze:
...and it pops right out. Check the condition and orientation of the crystal gasket and wipe it with a smear of silicone grease:
Clean the surrounding area with a Q-tip:
Press the new crystal in with the crystal press, checking that the crystal gasket is not pinched:
Place the crystal retaining ring in position:
...and use the crystal press to snap it home:
Insert the movement and crown, making sure the chapter ring lines up:
Lubricate the caseback with a dab of silicone grease and fit, after which the bezel can be snapped on using the crystal press:
And admire your handiwork, after unlocking the cupboard and letting William out:
Time taken: a little over 10 minutes.
THE VERDICT: it was a pleasure to deal with Yobokies, in the same way it is a pleasure to deal with our other suppliers of Seiko parts. We really need to stop up from time to time and thank our blessings by having suppliers who also are enthusiasts
The crystal is a wonderful upgrade to the flat Seiko original. The gentle dome gives depth to the dial and creates a wonderfull play when moving the watch. The dome gives life to the watch and makes it look like it is under water, even when it is not. The AR coating on the inside of the watch gives fascinating blue reflections (see last picture) and makes the dial easy to read at all angles. The fact that it is a scratch resistant sapphire gives peace of mind in daily use. In all, a "mod" which improves an already perfect watch. SCORE: 10/10.
The 1964 Grand Seiko Chronometer Box..... is IN!
Finally together - with the 1964 Grand Seiko Chronometer, Owners Manual and a copy of a Chronometer Certificate, the original box just arrived from Japan.... this collection centerpiece is beginning to take form....
The box has a decidedly Oriental design, with the sides slightly angled and the base wider than the top. The red cushion is silk-like in texture and the writing is printed on the material. The felt base is removable, and includes a tab as well as an elastic loop to slot the watchband in.
The box is light and appears to be made of pressed cardboard, covered by what appears to be lacquered paper textured to look and feel like leather.
The search continues for the remaining parts of the collection, including a hang-tag, original chronometer certificate and receipt.... Until then, I have prepared a fascimile of the Chronometer Certificate (note the fictitious date and "Fascimile" stamp) based on a 1966 King Seiko Chronometer certificate, which is identical with the exception of the Lion Seal, which was printed after 1965, and should be a gold applied seal for 1964:
Thursday, January 31, 2013
Seiko "Tuna" and summary of Seiko's vintage Shrouded Divers
The 7549- 7010 300m Shrouded Diver, this time on a Monster bracelet, trying not to look like a Sub...
Quick as a flash I sized up the situation and said "Rolex!? Nooooo, what we have here is a heavy duty professional, 300m shrouded saturation diver designed and built over a quarter of a century ago by the legendary Ikuo Tokunaga, incorporating a revolutionary helium valve and with the high-torgue movement specially designed for this watch and its heavy duty hands.....see!" and I passed it over for him to see the hands.
For a second he was about to fall for it, when his face brightened and he roared with laughter as he shouted "HA! You almost had me there - it says SEIKO on the dial!!"
I just love WIS moments like that















