Omega 166.023, COSMIC, two tones dial, 2038 Milanese bracelet, serviced, shipping fee included

hant26 · Jul 5, 2025

Hi everyone, for sale today is a very nice Omega 166.023.

1. General introduction
A stainless steel Omega 166.023, original two tones dial with black painted hour markers, Omega 2038 Milanese bracelet in very good condition, serviced, shipping fee with insurance in EU/US included.
Brand: Omega; Model: Seamaster Cosmic; Reference: 166.023.

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For general information about this model, please have a look here: https://omegaforums.net/threads/seamaster-cosmic-club---pics-info-buyer’s-guide.144440/

2. Detail

Dial: Original two tones (white-dark blue/black) vertical brushed dial black painted hour markers in very good condition; hour markers have lume at their tips but some are rotten; the minutes markers are in racing style; faceted date-aperture frame at 3; pencil hands (which don’t have lume, IMO they are service hands); prints, hands and hour markers are all good.
Case: The diameter is 33.5mm without the crown and it sits nicely on the wrist. The case is in very good condition, retains all the original brushed surfaces. Original Omega knurled crown.
Movement: Caliber 565 with quickset date function. The watch is running, all functions work as they should. Serial number is 29817643, dated to 1969. Last service in June 2025.
Glass: Original with Omega logo.
Bracelet: Omega bracelet reference 2038 in very good condition, thin and intricate, that goes well with the watch.
Accessory: Watch only.
Location: The watch is in Budapest, Hungary.
Over all, this is a very good example of the reference.