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Omega Seamaster Manual-Wind Watch

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

circa 1960

Maker / issuer

Omega

This Omega Seamaster wristwatch, estimated to date from around 1960, features a manual-wind movement, specifically the 17-jewel Caliber 285. The watch case measures 34 mm in diameter and is constructed from stainless steel.

It is fitted with a screw-down case back decorated with a central Seahorse emblem. The black dial, which the source describes as professionally restored, contains yellow gold-tone applied numerals and matching hands, including a central sweep seconds hand. The watch is presented on a black crocodile-pattern calf leather strap secured with an Omega-signed buckle. Additional branding is visible on the crown, dial, and case.

According to the source, the timepiece has recently been serviced and is in accurate working condition.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Type
Manual-wind wristwatch
Maker
OMEGA
Caliber
285
Case back
Screw-down with Seahorse emblem
Case diameter
34 mm
Case material
Stainless steel
Date estimate
circa 1960
Movement type
Manual wind, 17 jewels
Dial condition
Professionally restored
Place recorded
Switzerland
Maker / attribution
OMEGA

Design

Case and Dial
The watch is housed in a 34 mm stainless steel case with a classic mid-century profile. It features a screw-down case back which bears an embossed Seahorse logo, a defining mark of the Seamaster series. The crown is signed with the Omega logo. The dial is black and includes applied yellow gold-tone markers and numerals at the 3, 6, 9, and 12 positions. It is equipped with matching yellow gold-tone hands and a central sweep seconds hand. The source specifies that the dial has been professionally restored. The watch is finished with a black crocodile-patterned leather strap and an Omega-signed buckle.
Visible features
• Case back features a relief Seahorse emblem • Signed Omega crown visible in profile view • Dial markings include 'Omega', 'Seamaster', and 'Swiss Made' • Strap includes a signed Omega buckle
History and Attribution
The watch is attributed to the manufacturer OMEGA and is part of their Seamaster model family. The production period is estimated to be circa 1960. All information regarding the authenticity and quality of the watch is provided by the seller. The source indicates that branding is present on the crown, case, and dial to verify its identity.
Movement and Functionality
Internally, the watch is powered by a manual-wind movement, identified as the Omega Caliber 285. This movement utilizes 17 jewels to reduce friction. The timepiece is described as having undergone a recent service, with the seller reporting that it is in good working order. The Seamaster line was originally introduced in the late 1940s and became defined by its robust construction.

Identification

Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: The black dial is stated to be a professional restoration
  • Research required: Servicing claims and current working accuracy are based solely on the seller's report
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