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 Titanium Green Diver 300M 210.92.42.20.10.001 Full Set, New! $8750

Omega Seamaster Titanium Green Diver 300M 210.92.42.20.10.001 Full Set, New! $8750

This Omega Seamaster Titanium Green Diver features a green dial and gold accents, made from lightweight titanium that wears well on the wrist.

  • Condition: New
  • Diameter: 41mm
  • Bracelet Count: 2 aftermarket bracelets
Posted at
Apr 8, 2026, 7:49 AM
Active
[WTS] Omega | 220.10.43.22.03.001 | Seamaster Worldtimer | $7,400 | 2024 Complete Set

Omega | 220.10.43.22.03.001 | Seamaster Worldtimer | $7,400 | 2024 Complete Set

This is a pre-owned Omega Seamaster Aqua Terra Worldtimer in good condition, featuring a clean crystal and accurate timekeeping.

  • Condition: Preowned, clean condition with minor hairline scratches and a potentially marked crystal
  • Service history: unknown
  • Shipping: 2 Day Insured FedEx Shipping, free
  • Return policy: NO RETURNS, all sales are final
Posted at
Apr 7, 2026, 9:30 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $3,290

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with a steel case on original Omega steel bracelet.

  • Condition: very good for its age, minimal marks/hairlines on case, caseback, and bracelet
  • Movement: Omega Calibre 8500
  • Case size: 38.5mm diameter
  • Bracelet type: original Omega steel bracelet
Posted at
Apr 7, 2026, 9:27 PM
Active
[WTS] Omega Seamaster Diver 300M SMP 300M - in warranty

Omega Seamaster Diver 300M SMP 300M - in warranty

Omega - SMP 300M · $4,250
This Omega Seamaster Diver 300M is a well-maintained timepiece that runs perfectly and keeps excellent time. It comes with the original box, booklet, warranty card, and extra links.

  • Condition: Great condition with minor scratches/scuffs
  • Depth rating: 300m
  • Warranty expiration date: August 2027
  • Accessories included: original box, booklet, warranty card, extra links
Posted at
Apr 7, 2026, 8:10 PM
Active
[WTS] Omega Seamaster Calendar

Omega Seamaster Calendar

This Omega Seamaster Calendar features a cream dial with gold accents and date window, housed in a 36mm x 12mm case. It comes on an aftermarket leather strap with OEM buckle.

  • Condition: G - good condition for a 50+ year old watch, marks on the acrylic crystal
  • Movement: Caliber 503 automatic
  • Power reserve: 40 hours
  • Crystal type: acrylic
Posted at
Apr 7, 2026, 5:23 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

The Omega Seamaster Planet Ocean is a 45.5mm diver's watch with a depth rating of 600m.

  • Condition: Pre-owned
  • Case size: 45.5mm diameter
  • Depth rating: 600m
Posted at
Apr 7, 2026, 4:47 PM
Active
[WTS] BNIB Omega Seamaster 300 ONLY $10k!

BNIB Omega Seamaster 300 ONLY $10k!

Omega - 210.60.42.20.99.001 · $10,000
A Brand new Omega Seamaster 300 is being listed for sale.

  • Condition: Brand new, full set
  • Rrp: $17.2k plus tax
Posted at
Apr 7, 2026, 4:32 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers

Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers

  • Condition: Very Good
  • Water Resistance: 150m
  • Power Reserve: ~60 hours
  • Case Size: 41mm diameter
Posted at
Apr 7, 2026, 2:24 PM
Active
[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.

  • Caseback type: Spiralwinder
  • Compatible models: 1960s Seamasters and Constellations
Posted at
Apr 7, 2026, 1:54 PM
Active