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

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Omega - 210.30.42.20.10.001 · $5,449

A 2024 Omega Seamaster Diver 300M 'Seaweed' in excellent condition, featuring a green ceramic wave dial and 42mm stainless steel case.

Condition: Excellent condition, light handling marks on bracelet only
Case size: 42mm diameter
Bracelet length: full length steel bracelet
Strap included: bonus green rubber strap

Posted at

Jan 15, 2026, 12:42 AM

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This Omega Seamaster Aqua Terra 150M 'SKYFALL' is a James Bond watch with a blue teak pattern dial, stainless steel case and bracelet. It features an Omega Co-Axial 8500 calibre automatic movement.

Condition: Excellent overall condition
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Posted at

Jan 14, 2026, 10:38 PM

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Condition: Presentable, patina present
Movement Type: Mechanical with hacking and winding
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Lug To Lug: 37mm

Posted at

Jan 14, 2026, 10:03 PM

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2023 Omega Seamaster 300M Seaweed 210.30.42.20.10.001 Full Set

Omega - 210.30.42.20.10.001 · $5,000

The watch is an Omega Seamaster 300M with a green dial, chronometer, date display, helium escape valve, rotating bezel, and transparent caseback.

Condition: really good condition
Movement: Omega 8800
Power reserve: 55 hours
Crystal type: Sapphire crystal

Posted at

Jan 14, 2026, 6:57 PM

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Omega Seamaster 300M Seaweed 210.30.42.20.10.001 Full Set

Omega - 210.30.42.20.10.001

Posted at

Jan 14, 2026, 6:51 PM

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2015 Steel Omega Seamaster 300M 212.30.41.20.01.003

Omega - 212.30.41.20.01.003 · $3,600

2015 Omega Seamaster 300M, black dial on a steel bracelet with features including self-winding mechanical movement and date display.

Condition: Good condition
Case diameter: 41mm
Movement caliber: Omega 2500
Power reserve: 48 hours

Posted at

Jan 14, 2026, 6:40 PM

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2024 Omega Seamaster 300M 234.30.41.20.01.001

Omega - 234.30.41.21.01.001 · $5,300

The Omega Seamaster 300M features a black dial, screw-in crown with time zone function, and unidirectional rotating bezel.

Condition: excellent condition
Case Diameter: 41 MM
Dial Color: black
Movement: Omega 8912

Posted at

Jan 14, 2026, 6:34 PM

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Omega Seamaster Ploprof 1200M 224.32.55.21.04.001 White Dial 55mm 2025

Omega - 224.32.55.21.04.001 · $7,925

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Condition: Very good pre-owned condition with light wear
Case size: 55 x 48mm
Diameter: 55mm
Water resistance: 1200m

Posted at

Jan 14, 2026, 4:07 PM

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Omega Seamaster Planet Ocean 600M Chrono 215.30.46.51.99.001 Grey 45mm 2025

Omega - 215.30.46.51.99.001 · $7,725

The Omega Seamaster Planet Ocean Chronograph is a modern watch that balances wrist presence and comfort, featuring a 45.5mm stainless steel case and Calibre 9900 automatic movement.

Condition: Excellent, near mint condition with faint wear on the bracelet, case, and strap
Case Size: 45.5mm diameter
Water Resistance: 600m depth rating
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Posted at

Jan 14, 2026, 3:46 PM

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