Omega Seamaster Seamaster Chronograph

Reference ST 176.007

About this watch

The Omega Seamaster ST 176.007 Seamaster Chronograph is a stunning timepiece that effortlessly combines elegance with functionality. Produced between 1972 and 1976, this classic beauty is not just a tool for telling time; it’s a piece of history, a statement of style, and a marvel of horological engineering. At the heart of the ST 176.007 is the Omega caliber 1040, an automatic chronograph movement that’s as robust as it is reliable. This movement is actually Omega’s version of the Lemania 1340, known for its durability and precision. With a 40-hour power reserve and 17 jewels, this movement is designed for performance. The design of the Omega ST 176.007 is truly captivating, with a cushion-shaped case measuring 38.50 mm in diameter that strikes the perfect balance between boldness and wearability. The sunburst blue dial is one of the most striking features of this timepiece, offering versatility and sophistication. Whether you’re at the office or enjoying a night out, this watch is sure to enhance your style with its elegant design and robust functionality.

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Key Features

Omega caliber 1040 automatic chronograph movement
Cushion-shaped stainless steel case measuring 38.50 mm in diameter
Sunburst blue dial with stick indexes and hands
60 meters water resistance, suitable for everyday wear
Plexiglass crystal offers a soft, warm look
Robust automatic chronograph movement with 40-hour power reserve
Date complication ensures precise timekeeping

Specifications

Brand

Omega

Family

Seamaster

Model

Seamaster Chronograph

Reference

ST 176.007

Movement

1040

Movement Features

Small Seconds, Minutes, Additional 24 Hour Hand (adjustable)
Date
Chronograph

Case

Stainless Steel 38.5mm

Dial Color

Blue

Crystal

Plexi

Water Resistance

Current Listings

Omega Seamaster GMT 50th Anniversary 2234.50 - $2,350 - Reserved for u/Old_Communication960

Omega - 2234.50 · $2,350

Up for sale is my great condition Omega Seamaster GMT 2234.50 41mm Automatic, with all functions working well and a steel case on original Omega steel bracelet.

Condition: Great condition (8.8/10)
Case size: 41mm diameter
Water resistance: unknown
Crystal material: Sapphire crystal

Posted at

Feb 11, 2026, 9:12 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm - $2,390

Omega - Planet Ocean 2201.50 · $2,390

The Omega Seamaster Planet Ocean 2201.50 is a 42mm watch with an automatic movement and features a steel case on original Omega steel bracelet.

Condition: Very good condition, minimal marks on the case, caseback, and bracelet.
Movement: Automatic Omega Calibre 2500
Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
Case size: 42mm

Posted at

Feb 11, 2026, 9:08 PM

Active

View listing on r/WatchExchange