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

Current Listings

Omega Seamaster 2531.80 | FULL KIT | near mint | $3200

Omega - 2531.80 · $3,200

This Omega Seamaster 2531.80 'Bond' is a well-maintained watch with a perfect bezel, dial, and crystal.

Condition: near mint
Water resistance: not specified

Posted at

Apr 10, 2026, 9:45 AM

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1966-67 Omega Seamaster Chronostop W/ Box

Omega - 145.007 · $1,800

A well-maintained 1966-67 Omega Seamaster Chronostop in overall great condition, featuring a stainless steel case and original leather strap.

Condition: Great condition with age-appropriate wear
Year: 1966-67

Posted at

Apr 10, 2026, 8:30 AM

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Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

Omega - 220.10.43.22.03.001 · $7,980

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial and matching blue strap, showcasing one of Omega's most impressive complications. The watch boasts a 43mm stainless steel case, laser-ablated world map center, and global city ring on the ceramic bezel.

Condition: New / Unworn
Case size: 43mm diameter
Water resistance: 150m depth rating
Power reserve: 60 hours

Posted at

Apr 9, 2026, 11:04 PM

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Omega Seamaster 212.30.36 36mm Wave Dial - $2,490

Omega - 212.30.36.30.01.001 · $2,490

A 36mm Omega Seamaster with an automatic Calibre 2500 movement, measuring at 36mm in diameter.

Condition: Very good condition, minimal marks/hairlines on case and bracelet
Movement: Automatic, Omega Calibre 2500
Case size: 36mm diameter
Bracelet type: Original Omega steel bracelet

Posted at

Apr 9, 2026, 9:57 PM

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Omega Seamaster 2230.50 White Gold Bezel 41mm with cards - $2,890

Omega - 2230.50 · $2,890

A white gold Omega Seamaster 2230.50 with a steel case on an original Omega bracelet, featuring a beveled edge bezel. The watch has a clean exterior with minimal marks and good functionality.

Condition: 8.8/10, good condition, minimal usage marks on case and bezel
Case diameter: 41mm
Bracelet material: steel

Posted at

Apr 9, 2026, 9:48 PM

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Omega Seamaster GMT 50th Anniversary 2534.50 - $2,290

Omega - 2534.50 · $2,290

Up for sale is my Omega Seamaster GMT 2534.50 41mm Automatic on the seamaster bracelet configuration in great condition.

Condition: Great condition with minimal hairlines/marks on the case, caseback, and bracelet.
Bracelet size: 41mm diameter
Case material: Steel
Movement type: Automatic

Posted at

Apr 9, 2026, 9:42 PM

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Omega Seamaster Professional Quartz 300M Blue Wave Dial Ref. 2541.80.00 – $1,899

Omega - 2541.80.00 · $1,899

A classic Omega Seamaster Professional quartz in blue wave dial configuration, a Bond-era style piece that never goes out of style.

Condition: Pre-owned with visible wear/scratches
Movement: Quartz movement (low maintenance)
Case size: 41mm diameter
Bracelet material: Stainless steel

Posted at

Apr 9, 2026, 8:38 PM

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2018 Omega Seamaster Diver 300m 41mm Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

Omega - 212.30.41.20.03.001 · $3,600

A 2018 Omega Seamaster Diver 300M with a classic blue 'no wave' dial, stainless steel case and bracelet, and an automatic self-winding movement.

Condition: Excellent
Case diameter: 41mm
Crystal type: Sapphire
Bracelet material: Stainless Steel

Posted at

Apr 9, 2026, 5:41 PM

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Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200

The Omega Seamaster Aqua Terra features a 38.5mm stainless steel case on a stainless steel bracelet with a deployant clasp, and it's equipped with the Omega Co-Axial calibre 8601. What sets this watch apart is its annual calendar complication, which automatically accounts for months with 30 or 31 days and only needs adjustment once per year.

Condition: Excellent
Case size: 38.5mm diameter
Case material: stainless steel
Bracelet material: stainless steel

Posted at

Apr 9, 2026, 5:18 PM

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