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Omega Speedmaster, Ref. 186.0004

CHF 3,600

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Very rare Omega Speedmaster Professional Quartz Ref. 186.0004 LCD chronograph wristwatch, made circa 1977.  Fully serviced by Omega with official 2 years warranty, until July 2022. Runs great and all functions work as expected, light function works as well. Comes on its original Omega ST 1305.741 stainless steel bracelet, with original box, guarantee with service warranty card.

Only produced for 18 months during 1977-78.  In 1979 it was submitted to N.A.S.A for testing under the Alaska IV project name. The cal. 1620, developed by Omega and SSIH (later to become SMH). Although it has only basic functions by today’s standards, it is nevertheless still a very accurate watch, capable of 0.15 seconds per day, or 5 seconds per month. This is better than a lot of quartz watches available even now. The very good accuracy is due to the high quality quartz resonator used, manufactured in-house by SSIH.

Case. Two-body, polished and brushed, lyre lugs, push-buttons for the chronograph and light functions on the right, the one at 10 is for mode selection, case back embossed with the Seamaster logo, mineral crystal. Dial. Black with LCD digital displays, arrow for day of the week indication. Movement. Omega Cal. 1620/4310 with quartz standardization. Dial, case and movement are signed. Diameter 37 mm. Thickness 8 mm. 

Watch is in overall great condition, running and ready to wear or gift!

PLAIN FACTS

BrandOmega
ModelSpeedmaster Professional Quartz
ReferenceRef. 186.0004
Year1977
MovementQuartz
CalibreOmega 1620/4310
Case materialStainless Steel
Case size37 mm
Braceletoriginal Omega ST 1305.741 steel bracelet
Featuresmulti-function LCD chronograph
Box/PapersOriginal box, guarantee with service warranty card

CONDITION REPORT

Great condition, in fully working order. Good vintage condition, minor surface scratches and scuffs through the age. Recently fully serviced by Omega with 24 months official warranty.  The warranty does not cover waterproof of the watch. Original box, guarantee card, service papers and original spare parts (changed by Omega). Still with protective film on the caseback.

Watches are sold as-is, and there is no guarantee of to be waterproof or movement accuracy, due to the nature of vintage watches. Please view all the pictures carefully as they form an integral part of the description. Any defects not mentioned but visible in the pictures will be considered as described.

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