Omega Seamaster Seamaster Chronograph

Reference ST 176.007

Omega Seamaster Chronograph

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 Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

A first-generation Omega Seamaster Aqua Terra with a beautiful blue sunburst dial and the reliable Cal. 2500 Co-Axial Chronometer movement.

Posted at
May 14, 2026, 11:43 AM
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[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega - 220.10.41.21.02.001 · $4,500
A Omega Seamaster Aqua Terra, case size is 41mm, available with box and papers.

  • Condition: Pre-owned
  • Case Size: 41mm
  • Box Card Papers: Yes (both included)
  • Model: Seamaster Aqua Terra
Posted at
May 14, 2026, 11:12 AM
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[WTS] Omega Seamaster Chronometer 166.010 SP / 168.024 — Cal. 564 Chronometer, Fresh Service, All Original — $1,399 Shipped

Omega Seamaster Chronometer 166.010 SP / 168.024 — Cal. 564 Chronometer, Fresh Service, All Original — $1,399 Shipped

Posted at
May 14, 2026, 11:05 AM
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[WTS] 1969 Omega Seamaster Chronometer ref. 168.024 w/ Cal. 564, BOR 1036/511 - $1,290

1969 Omega Seamaster Chronometer ref. 168.024 w/ Cal. 564, BOR 1036/511 - $1,290

Omega - 168.024 · $1,290
A 1969 Omega Seamaster ref. 168.024, powered by the chronometer-rated Cal. 564 automatic movement, with an original silver sunburst dial and an Omega BOR bracelet.

  • Movement: Cal. 564 automatic chronometer movement
  • Bracelet length: fits around a 7.25" wrist
  • Case size: approx. 35mm diameter
Posted at
May 14, 2026, 9:23 AM
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[WTS][US] Omega Seamaster Professional 300m - Green Dial - 210.30.42.20.10.001 - Full Set

[US] Omega Seamaster Professional 300m - Green Dial - 210.30.42.20.10.001 - Full Set

Omega - 210.30.42.20.10.001 · $5,500
An Omega Seamaster Professional 300m watch with a green dial and 42mm size. It features mechanical functions without any issues.

  • Condition: Fantastic condition with minor hairlines
  • Size: 42mm diameter
  • Depth rating: 300m
Posted at
May 14, 2026, 7:29 AM
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[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,400
This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic with minor hairlines on case, clasp, or bracelet
  • Case size: 45.5mm diameter
  • Water resistance: 600m depth rating
Posted at
May 14, 2026, 7:19 AM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega - Planet Ocean 2201.51 · $2,690
This Omega Seamaster Planet Ocean 2201.51 is a 42mm automatic watch with an Omega Calibre 2500 movement. It has a steel case and original Omega steel bracelet.

  • Condition: Very good condition, with minimal marks/hairlines on case and bracelet
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Crystal type: AR Coating
Posted at
May 14, 2026, 4:30 AM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,690

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,690

Omega - 231.10.39.21.01.001 · $2,690
Up for sale is my great condition Omega Seamaster Aqua Terra with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition, minimal marks/hairlines
  • Case size: 38.5mm diameter
  • Movement: Omega Calibre 8500, automatic
Posted at
May 14, 2026, 4:26 AM
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[WTS] Omega Seamaster 212.30.36 Wave Dial Mid Size 36mm Quartz - $1,790

Omega Seamaster 212.30.36 Wave Dial Mid Size 36mm Quartz - $1,790

Omega - 212.30.36.61.01.001 · $1,790
Up for sale is my great condition Omega Seamaster 212.30.36.61.01.001, a battery powered quartz movement watch measuring at 36mm.

  • Condition: Good condition for its age, with minimal marks/hairlines and some wear on the bezel insert
  • Case size: 36mm diameter
  • Movement type: Quartz
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
Posted at
May 14, 2026, 4:24 AM
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