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] 1961 Omega Seamaster De Ville ref. 14770 w/ Cal. 560 – freshly serviced – gold capped – $750 shipped

1961 Omega Seamaster De Ville ref. 14770 w/ Cal. 560 – freshly serviced – gold capped – $750 shipped

Omega - 14770 · $750
A 1961 Omega Seamaster De Ville in a 34mm gold-capped case, powered by the automatic Omega Cal. 562 movement. The watch has been serviced and is running well.

  • Condition: Good overall condition with repainted dial and light hairline scratches on the case
  • Dial Color: Silver sunburst
  • Case Material: Gold-capped
  • Crystal Type: Aftermarket plexiglass
Posted at
Apr 6, 2026, 10:08 AM
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[WTS][US] Omega Seamaster SMP300 Black Rubber Strap - Size Medium - 20mm - 032CVZ015752

[US] Omega Seamaster SMP300 Black Rubber Strap - Size Medium - 20mm - 032CVZ015752

Omega - SMP300 · $235
An Omega Seamaster SMP300 watch available for sale with a black rubber strap.

  • Condition: Good condition with minor damage (small nick on backside)
  • Case Size: Medium
  • Strap Width: 20mm
Posted at
Apr 6, 2026, 7:52 AM
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[WTS] Omega Seamaster Diver 300M 212.30.41.20.03.001 41mm | Excellent Condition (With Box, Booklet & Serviced) | $3000

Omega Seamaster Diver 300M 212.30.41.20.03.001 41mm | Excellent Condition (With Box, Booklet & Serviced) | $3000

Omega - 212.30.41.20.03.001 · $3,000
This Omega Seamaster Diver 300M is a 41mm watch with a diver's functionality.

  • Condition: Excellent Condition
  • Case material: Steel
Posted at
Apr 6, 2026, 1:00 AM
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[WTS] Black Dial Omega Seamaster Aqua Terra Box & Papers 38mm 220.10.38.20.01.001

Black Dial Omega Seamaster Aqua Terra Box & Papers 38mm 220.10.38.20.01.001

Omega - 220.10.38.20.01.001
Posted at
Apr 5, 2026, 11:30 PM
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[WTS] Omega Seamaster Aqua Terra 2503.33 - $2,650

Omega Seamaster Aqua Terra 2503.33 - $2,650

Omega - 2503.33 · $2,650
This Omega Seamaster Aqua Terra 2503.33 is a 39mm watch featuring an automatic movement and a steel case on an original Omega Steel bracelet.

  • Condition: Good condition with a conservative rating of 8.9/10
  • Movement: Omega 2500 automatic movement
  • Case size: 39mm diameter
  • Bracelet type: Original Omega Steel bracelet
Posted at
Apr 5, 2026, 10:42 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Skyfall - $3,350

Omega Seamaster Aqua Terra 231.10.39 38.5mm Skyfall - $3,350

Omega - 231.10.39.21.03.001 · $3,350
Up for sale is a Omega Seamaster Aqua Terra 231.10.39.21.03.001 with an automatic movement and measuring at 38.5mm. It has a steel case on original Omega steel bracelet.

  • Condition: Very good condition for it's age (8.9/10)
  • Case size: 38.5mm diameter
  • Bracelet material: Steel
  • Movement: Automatic Omega Calibre 8500
Posted at
Apr 5, 2026, 10:38 PM
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[WTS] Omega Seamaster 212.30.36 Wave Dial Mid Size 36mm - $2,450

Omega Seamaster 212.30.36 Wave Dial Mid Size 36mm - $2,450

Omega - 212.30.36.30.01.001 · $2,450
Up for sale is my Omega Seamaster 212.30.36.30.01.001 in great condition. This watch measures at 36mm with an automatic Omega Calibre 2500 movement.

  • Condition: very good condition with minimal marks/hairlines
  • Case size: 36mm diameter
  • Movement: automatic Omega Calibre 2500
  • Bracelet material: steel
Posted at
Apr 5, 2026, 10:32 PM
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[WTS] Omega Seamaster Aqua Terra 2504.50 - $2,490

Omega Seamaster Aqua Terra 2504.50 - $2,490

Omega - 2504.50 · $2,490
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a 36mm automatic watch with a steel case and original Omega Steel bracelet.

  • Condition: Very good condition
  • Case Size: 36mm diameter
  • Movement Type: automatic
Posted at
Apr 5, 2026, 10:19 PM
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[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,950

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,950

Omega - 2220.80 · $2,950
Up for sale is my Omega Seamaster 2220.80, a 41mm watch with an automatic co-axial cal 2500 movement.

  • Condition: 8.9/10, great condition with minimal marks/hairlines on the case, caseback, and bracelet
  • Movement: automatic co-axial cal 2500
  • Bracelet size range: 7-7.25 inch, depending on wrist shape
Posted at
Apr 5, 2026, 10:13 PM
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