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

2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

Omega - 212.32.41.20.04.001 · $4,995

This is a 2018 Omega Seamaster Diver 300M Commander's Watch, with a clean and scratch-free crystal and bezel. It has been on a timegrapher and running within acceptable ranges.

Condition: great pre-owned condition
Case size: 41mm diameter
Bracelet condition: minor signs consistent with age
Crystal and bezel condition: clean and scratch free

Posted at

Feb 9, 2026, 7:22 PM

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Omega Seamaster 300m Chronograph 44mm 212.30.44.50.03.001

Omega - 212.30.44.50.03.001 · $3,375

This Omega Seamaster 300m Chronograph is a 44mm automatic watch, featuring a fresh polish and 7.25" bracelet.

Condition: Fresh polish
Bracelet length: 7.25"
Payment methods: Zelle, Venmo, or Western Union

Posted at

Feb 9, 2026, 7:07 PM

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Omega Seamaster Peter Blake 41mm Automatic 2254.50

Omega - 2254.50 · $3,250

This listing is for an Omega Seamaster Peter Blake 41mm Automatic, a 300m waterproof watch featuring a fresh polish and a 7" bracelet.

Condition: Pre-owned with minor scratches
Bracelet length: 7 inches
Water resistance: 300m

Posted at

Feb 9, 2026, 7:06 PM

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Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega - 2504.30 · $2,295

This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and comes in a compact 36mm case diameter. The watch is suitable for small wrists between 6.75 and 7 inches.

Condition: Very good condition
Case Diameter: 36mm
Movement: Omega Co-axial 2500

Posted at

Feb 9, 2026, 5:46 PM

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Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,750

The Omega Seamaster Planet Ocean GMT features a 43.5mm size and is described as being in very good condition with only light scratches on the clasp and bracelet. The watch runs perfectly with no errors, losing only +/–0 seconds per day.

Condition: very good with minor wear
Size: 43.5mm diameter

Posted at

Feb 9, 2026, 4:59 PM

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Omega Seamaster Professional 41mm - 2254.50 - $2,750 Shipped ✈️

Omega - 2254.50 · $2,750

The Omega Seamaster Professional is a watch-only example that has had a relume, but it shows visible inconsistencies.

Condition: good pre-owned condition
Size: 41mm diameter

Posted at

Feb 9, 2026, 4:57 PM

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Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

Omega - 220.10.41.21.01.002

This Omega watch is a unique 'Golf Edition' of the popular Aqua Terra model, sized at 41.5mm.

Posted at

Feb 9, 2026, 4:28 PM

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Omega Seamaster Diver 300M 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 · $3,795

This Omega Seamaster Diver 300M features a 41mm stainless steel case with blue dial and ceramic bezel, powered by the Caliber 2500 co-axial automatic movement.

Condition: excellent pre-owned
Case size: 41mm
Diameter: 41mm
Water resistance: 300m

Posted at

Feb 9, 2026, 2:59 PM

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