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Why this watch.

Omega Tank, circa 1940s — Art Deco wristwatch

This Omega Tank dates to the mobilization era of the 1940s and carries a concise, rectangular Art Deco presence. The original dial, with bold Arabic numerals, a railway minute track and a small seconds register, communicates the period’s restrained geometry and purpose-built legibility. Inside sits the T17 manual-wind caliber, finished to Omega’s standards of the time and supplied with 15 jewels, a dependable hand-wound movement. As a wearable piece of mid-century design and mechanical watchmaking, it offers a direct link to historical craftsmanship that appeals to collectors who value provenance, design integrity and everyday wearability.

Watch dossier

Important details, without the clutter.

01Specifications
Brand / model
Omega Omega Tank
Estimated production
Circa 1940s
Case material
steel
Case diameter
22 mm
Lug-to-lug
36 mm
Thickness
9 mm
Dial
Original dial with vintage patina; rectangular Art Deco layout with bold Arabic numerals, railway-style minute track, and sub-seconds at 6
Crystal
Acrylic (period-correct)
Crown
Period correct, signature unknown
Strap / bracelet
calf leather
Movement
manual
Caliber
T17
Jewels
15
Movement serial
9478••••
02Service & provenance

Last serviced: 06 February 2026

The service includes the following operations: • Disassembly of the watch • Movement overhaul: dismantling • Cleaning, reassembly and lubrication • Use of Moebius synthetic oils • Ultrasonic cleaning of the case • Reassembly of the case and the watch • Final technical and aesthetic checks

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

03

EVW service certificate