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

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OMEGA - 215.30.44.22.01.001 · $6,100

The Omega Planet Ocean 'Oreo' GMT is a sporty, bold watch with a clean black and white ceramic aesthetic. It features a 43.5mm stainless steel case, black ceramic dial, bi-color ceramic bezel, and orange GMT hand.

Condition: Excellent pre-owned condition
Case size: 43.5mm diameter
Water resistance: 600m depth rating
Bracelet size: 7.5 inches length

Posted at

Mar 31, 2026, 12:30 PM

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Omega - 2552.80 · $2,200

This Omega Seamaster Professional midsize is a compact and balanced watch with great wearability.

Condition: great (with some minor marks)
Dimensions: 36.25mm width (excluding crown), ~11.5mm thickness, ~44mm lug-to-lug
Bracelet length: up to 18.2cm

Posted at

Mar 31, 2026, 12:04 PM

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Omega Seamaster AT 41mm | VG Condition incl. B&P (4.300€ OBO)

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This Omega Seamaster AT 41mm is a well-maintained watch located in Munich, Germany.

Condition: VG (Very Good)
Size: 41mm diameter

Posted at

Mar 31, 2026, 11:43 AM

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BNIB Omega Seamaster 300 ONLY $10k!

Omega - 210.60.42.20.99.001 · $10,000

The Omega Seamaster 300 is a luxury dive watch with a stainless steel case and a black dial.

Condition: Brand new, full set
Rrp: $17,200 plus tax

Posted at

Mar 31, 2026, 9:18 AM

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[US] Omega Seamaster SMP300 - Silver Dial - 42mm - 210.30.42.20.06.001

Omega - 210.30.42.20.06.001 · $3,700

Up for sale is an Omega Seamaster SMP300 - Silver Dial - 42mm watch that functions perfectly mechanically.

Condition: Fantastic condition
Case size: 42mm diameter
Links: 10 full links

Posted at

Mar 31, 2026, 8:26 AM

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20mm Omega OEM - Seamaster Professional Diver SMP300M - Green Rubber Strap - Medium Length $225 Shipped (Reduced)

Omega - SMP300M · $225

A pre-owned Omega Seamaster Professional Diver SMP300M is being listed for sale.

Strap material: green rubber
Buckle type: pin buckle

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Mar 31, 2026, 4:32 AM

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Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190

Up for sale is my Omega Seamaster 2222.80, a 36mm watch with an automatic co-axial cal 2500 movement.

Condition: very good with minimal marks/hairlines on case, caseback, and bracelet
Case size: 36mm diameter
Movement: automatic co-axial cal 2500
Bracelet type: original Omega steel bracelet

Posted at

Mar 30, 2026, 9:50 PM

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Omega Seamaster Planet Ocean 2201.50 42mm - $2,890

Omega - 2201.50 · $2,890

Up for sale is my Omega Seamaster Planet Ocean 2201.50 in great condition, measuring at 42mm with an automatic Omega Calibre 2500 movement. The watch has a steel case on original Omega steel bracelet.

Condition: Very good condition for its age (8.9/10)
Case size: 42mm
Movement type: automatic
Bracelet material: steel

Posted at

Mar 30, 2026, 9:48 PM

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Omega Seamaster Professional 300M 42mm 210.30.42.20.06.001 | 2025 Box and Papers

Omega - 210.30.42.20.06.001 · $4,550

A Omega Seamaster Professional 300M in 2025 condition, with a slight wear on the polished parts of the case. It features a Master Chronometer and includes various accessories such as a card holder and double-boxed packaging.

Condition: Excellent Pre-Owned Condition with slight wear on polished parts of case
Service History: +5 s/d 340+ AMP
Links: 10.5 Links

Posted at

Mar 30, 2026, 9:28 PM

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