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 Diver 41mm 212.30.41.20.03.001 | 2018 Complete Set

Omega - 212.30.41.20.03.001 · $3,575

2018 Omega Seamaster Diver 41mm in excellent pre-owned condition with slight wear on polished parts of the case and bracelet.

Condition: Excellent Pre-Owned Condition
Case size: 41mm
Bracelet links: 12.5 Links + Divers Extension
Service history: Unknown

Posted at

Mar 31, 2026, 10:33 PM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz White Dial - $1,890

Omega - 231.10.39.60.02.001 · $1,890

This is a Omega Seamaster Aqua Terra watch with a quartz movement and a white dial, measuring 38mm in diameter.

Condition: Very good condition for its age, with minimal marks/hairlines
Case size: 38mm
Movement: Omega 1538 quartz

Posted at

Mar 31, 2026, 10:01 PM

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Omega Seamaster 2503.30 Champagne Dial 39mm - $2,290

Omega - 2503.30 · $2,290

Up for sale is my great condition Omega Seamaster 2503.30, a 39mm watch with an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age (8.9/10)
Case size: 39mm
Movement: Omega Calibre 2500

Posted at

Mar 31, 2026, 9:51 PM

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Omega Seamaster Planet Ocean 2201.50 42mm Box and Card - $3,150

Omega - 2201.50 · $3,150

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm and featuring an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age with minimal marks/hairlines on the case, caseback, and bracelet
Case size: 42mm diameter
Movement type: automatic
Bracelet length: up to 7-7.25 inch wrists

Posted at

Mar 31, 2026, 9:31 PM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Grey Teak Quartz, Box and Papers - $1,999

Omega - 231.10.39.61.06.001 · $1,999

This Omega Seamaster Aqua Terra is a great condition quartz watch measuring at 38mm, featuring an Omega 1538 movement, steel case, and original Omega steel bracelet.

Condition: Very good condition for its age
Case size: 38mm diameter
Movement type: quartz

Posted at

Mar 31, 2026, 9:28 PM

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Omega Seamaster 2504.80 36mm Box and Papers , Amazing Condition - $2,690

Omega - 2504.80 · $2,690

This Omega Seamaster 2504.80 is a mid-size chronometer with an automatic movement, measuring 36mm in diameter.

Condition: Amazing Condition
Case size: 36mm diameter
Bracelet material: steel
Crystal condition: clean

Posted at

Mar 31, 2026, 9:26 PM

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Omega Seamaster 2551.80 36mm - $1,990

Omega - 25518000 · $1,990

A pre-owned Omega Seamaster 2551.80 in excellent working condition, featuring an automatic movement and a steel case on original Omega bracelet.

Condition: Good condition for its age with minimal marks/hairlines
Case size: 36mm diameter
Movement: Omega Calibre 1120 automatic movement

Posted at

Mar 31, 2026, 9:22 PM

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2023 Omega Seamaster Diver 300M 42mm Titanium Bond NTTD 210.92.42.20.01.001 Full Set

Omega - 210.92.42.20.01.001 · $7,250

2023 Omega Seamaster Diver 300M 42mm Titanium Bond NTTD 007 Edition, featuring a titanium case, rotating dive bezel, brown tropical aluminium dial, and titanium mesh bracelet.

Condition: Preowned with scratches on the case, bezel and bracelet.
Case material: Titanium
Case dimensions: 42mm diameter
Bezel material: Titanium

Posted at

Mar 31, 2026, 8:27 PM

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