The watch in motion

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Why this watch.

Omega Sei Tache — 1952

Born in 1952, the Omega Sei Tache Ref 2639-13 reflects postwar watchmaking clarity and purpose. The design balances practical legibility with restrained period detailing, offering a calm, purposeful wrist presence. At its heart sits the Cal. 266 (30T2), a movement lineage respected for solid construction and dependable performance within Omega’s mid-century output. For the contemporary collector, this reference presents a direct link to classic mechanical craftsmanship and era-specific design language; further visual context is available in the accompanying video.

Watch dossier

Important details, without the clutter.

01Specifications
Brand / model
Omega Omega Sei Tache Ref. 2639-13
Reference
2639-13
Estimated production
1952
Caliber
Cal. 266 (30T2)
02Service & provenance

The watch has been technically and visually inspected. It did not require servicing and is ready to wear.

03Delivery & returns

Current store policies apply to this purchase.

Shipping policy · Return policy

Included with the watch

Everything supplied with this example.

01

EVW travel box

02

Store invoice