Important Collectors’ Watches, Pocket...

Geneva, Oct 14, 2007

LOT 449

?Marine Chronometer? ? The World?s Most Accurate Wristwatch Omega, ?Constellation, Marine Chronometer, Megaquartz, f2,4 MHz?, No. 37059395, Ref. ST 198.0074 / 398.0836. Made circa 1975. Very fine, rare, and exceptionally accurate, large, rectangular, dead center seconds, water-resistant, stainless steel wristwatch with date, independent hour adjustment, 14K gold bezel and an integral Omega bracelet with deployant clasp. Accompanied by a fitted box and papers. To be sold without reserve

CHF 4,000 - 5,000

EUR 2,500 - 3,000 / USD 3,300 - 4,200

Sold: CHF 5,900

C. Two-body, polished and brushed, 14K gold bezel secured with four screws, corrector on the band for the seconds, hooded lugs, plate with movement number on inclined side at 6 o`clock, back secured by four screws, sapphire crystal. D. Black, white baton hour indexes, outer minute/seconds divisions on a raised plateau, date aperture. White ?baton? hands with luminous inset, white center seconds hand. M. Cal. 1511, 13 jewels, with quartz standardization. Dial, case and movement signed. Dim. 33 x 44 mm. Thickness 12.4 mm. Approx. overall length 190 mm.


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Grading System
Grade: AA

Very good

Case: 3

Good

Movement: 2

Very good

Dial: 2-01

Very good

HANDS Original

Notes

The Megaquartz 2400 ? or f2,4 MHz ? is precise to less than one second per month. This precision stems from a tiny disc-shaped resonator, which is sealed in a capsule and vibrates 2,359,296 times a second.