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
60

Current Listings

[WTS] Omega Seamaster - 212.30.41.20.03.001 - Full Set - $3,600 + Label.

Omega Seamaster - 212.30.41.20.03.001 - Full Set - $3,600 + Label.

This Omega Seamaster is a 41mm timepiece featuring a blue dial and bezel, in excellent condition with zero signs of wear.

  • Condition: Excellent condition, zero signs of wear
  • Case Diameter: 41mm diameter
Posted at
Jan 18, 2026, 6:11 PM
Active
[WTS] Omega Seamaster. NTTD. Bronze Gold + Titanium. Full Kit. 2025.

Omega Seamaster. NTTD. Bronze Gold + Titanium. Full Kit. 2025.

A 2025 Omega Seamaster featuring a Bronze Gold + Titanium case, sold with a full kit.

  • Materials: bronze gold, titanium
  • Year: 2025
Posted at
Jan 18, 2026, 5:58 PM
Active
[WTS] Omega Seamaster Aqua Terra - Black Wave - Red Gold Accents - 2025

Omega Seamaster Aqua Terra - Black Wave - Red Gold Accents - 2025

The Omega Seamaster Aqua Terra features a striking black wave dial with red gold accents, powered by the Master Co-Axial Calibre 8500.

  • Case size: 41.5mm
  • Water resistance depth rating: 150m / 15 bar
Posted at
Jan 18, 2026, 3:08 PM
Active
[WTS] OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

A modern dive icon featuring a rich green ceramic dial and bezel, laser-engraved wave pattern, and OMEGA's legendary Co-Axial performance.

  • Condition: Very Good
  • Case size: 42mm diameter
  • Dial color: green
  • Bezel material: green ceramic
Posted at
Jan 18, 2026, 2:15 PM
Active
[WTS] OMEGA SEAMASTER PLANET OCEAN 600M GMT CERAMIC - 215.92.46.22.01.004 - EXCELLENT - BOX/ PAPERS

OMEGA SEAMASTER PLANET OCEAN 600M GMT CERAMIC - 215.92.46.22.01.004 - EXCELLENT - BOX/ PAPERS

A powerhouse professional diver crafted in black ceramic featuring 600m water resistance, GMT functionality, and Omega's Master Chronometer movement built for extreme performance and precision.

  • Condition: Excellent
  • Case: 46mm diameter
  • Dial: Black
  • Bezel: Black
Posted at
Jan 18, 2026, 2:05 PM
Active
[WTS] Omega Seamaster Professional 41mm Black Flat Dial $3775

Omega Seamaster Professional 41mm Black Flat Dial $3775

a 41mm Omega Seamaster Professional with a black flat dial is being sold.

Posted at
Jan 18, 2026, 12:50 PM
Active
[WTS] OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

This OMEGA Seamaster Diver 300m is a 42mm black dial watch featuring a domed scratch-resistant sapphire crystal and a self-winding movement with a power reserve of 55 hours. The watch has been worn daily for an engineering desk job.

  • Condition: Minor scratches from day-to-day movements, otherwise like new
  • Case Diameter: 42 mm
  • Thickness: 13.56 mm
  • Water Resistance: 300m / 1000 feet
Posted at
Jan 18, 2026, 12:44 PM
Active
[WTS] 2021 Omega Seamaster Planet Ocean 600M 43.5mm Black Orange Mint Full Set

2021 Omega Seamaster Planet Ocean 600M 43.5mm Black Orange Mint Full Set

A modern professional dive watch engineered for serious diving while remaining refined enough for everyday wear.

  • Condition: Like New
  • Year: 2021
  • Water Resistance: 600m
Posted at
Jan 18, 2026, 12:24 PM
Active