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 Professional 300M Mid-Size Ref. 2552.80 | Excellent Condition (With Box & Serviced) | $2200

Omega Seamaster Professional 300M Mid-Size Ref. 2552.80 | Excellent Condition (With Box & Serviced) | $2200

Omega - 2552.80 · $2,200
The Omega Seamaster Professional 300M Mid-Size Ref. 2552.80 is a compact and wearable dive watch with a classic blue wave dial, sword hands, and a polished bezel.

  • Condition: Excellent Condition
  • Case size: 36mm
  • Lug width: 18mm
  • Lug-to-lug: 44mm
Posted at
Mar 19, 2026, 11:33 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M Annual Calendar –Teak Dial – Discontinued|Ref: 231.13.39.22.01.001|Full Set – 2020 – Excellent Condition

Omega Seamaster Aqua Terra 150M Annual Calendar –Teak Dial – Discontinued|Ref: 231.13.39.22.01.001|Full Set – 2020 – Excellent Condition

A discontinued Omega Seamaster Aqua Terra 150M featuring an annual calendar complication and black teak dial, housed in a 38.5mm stainless steel case.

  • Condition: Excellent
  • Case diameter: 38.5mm
  • Water resistance: 150m
  • Movement: Calibre 8601 automatic
Posted at
Mar 19, 2026, 11:01 PM
Active
[WTS] Omega Seamaster Diver 300M Co-Axial 41mm - Blue Ceramic (212.30.41.20.03.001)

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This Omega Seamaster Diver 300M Professional features a clean, non-wave 'lacquer' dial and deep blue ceramic bezel, offering a refined and versatile look.

  • Condition: Great / Very Good
  • Movement: Omega Calibre 2500 (Automatic Co-Axial Chronometer)
  • Case size: 41mm
  • Diameter: 41mm
Posted at
Mar 19, 2026, 6:34 PM
Active
[WTS] Omega Seamaster 200m “Pre-Bond” Ref. 396.1062 – Serviced – 36mm – $799 + shipping obo

Omega Seamaster 200m “Pre-Bond” Ref. 396.1062 – Serviced – 36mm – $799 + shipping obo

Omega - 396.1062 · $799
A vintage Omega Seamaster 200m 'Pre-Bond' ref. 396.1062, a classic tool watch with timeless design and clean functional style.

  • Condition: Very good condition for its age
  • Case Size: 36mm diameter
  • Movement Type: Quartz movement
  • Accuracy: ~±0.5 seconds per day
Posted at
Mar 19, 2026, 3:38 PM
Active
[WTS] Omega Seamaster. Peter Blake. 41mm. Strong Lume. $1950.

Omega Seamaster. Peter Blake. 41mm. Strong Lume. $1950.

This Omega Seamaster Peter Blake is a 41mm watch with strong lume, described as perfect daily wear.

  • Size: 41mm
  • Lume strength: Strong Lume
Posted at
Mar 19, 2026, 3:26 PM
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[WTS] Omega Seamaster Planet Ocean 600m 42mm, 232.30.42.21.01.003 with black dial, (orange 6, 9, 12), w/ box & papers

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The Omega Seamaster Planet Ocean 600m 42mm features a classic dive watch design with a black dial, orange numerals, and stainless steel bracelet.

  • Condition: Excellent, previously cherished condition
  • Case diameter: 42mm
  • Water resistance: 600m
  • Bracelet size capacity: up to 7.5" wrist
Posted at
Mar 19, 2026, 1:35 PM
Active
[WTS] 1970 Omega Seamaster Jumbo “Baby Flightmaster” – Cal. 1002

1970 Omega Seamaster Jumbo “Baby Flightmaster” – Cal. 1002

Omega - 166.090 · $850
This Omega Seamaster Jumbo Ref. 166.090, nicknamed the 'Baby Flightmaster', features a bold and charismatic 1970s case design inspired by the famous pilot model.

  • Condition: Very nice condition with honest wear consistent with age
  • Movement: Omega Cal. 1002 automatic
  • Case: Gold-plated
  • Dial: Textured gold dial with applied indices
Posted at
Mar 19, 2026, 12:00 PM
Active
[WTS] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Up for sale is an Omega Seamaster 300 Heritage - 41mm - Black Dial, which functions perfectly mechanically.

  • Condition: Fantastic condition with minor hairlines
  • Case Size: 41mm
  • Dial Color: black
Posted at
Mar 19, 2026, 7:46 AM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $2,990

Omega - 2201.50 · $2,990
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age with minimal marks/hairlines
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Bracelet type: original Omega steel bracelet
Posted at
Mar 19, 2026, 4:52 AM
Active