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 Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega - 231.10.39.60 · $1,790

Up for sale is my Omega Aqua Terra Seamaster Quartz 231.10.39.60, a watch measuring at 38.5mm and featuring an Omega 45640 quartz movement.

Condition: 8.9/10 - great condition with minimal marks/hairlines on the case, caseback, high polished steel bezel and bracelet clasps/sides
Movement: Omega 45640 quartz movement
Case Size: 38.5mm diameter
Crystal Type: sapphire crystal

Posted at

Jan 13, 2026, 9:01 PM

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Omega Seamaster Cosmic Automatic Vintage $749 Shipped (SERVICED)

Omega - 165.022 · $749

A rare Omega Seamaster Cosmic vintage watch with a stunning sunburst dial and robust cushion shaped case.

Condition: great condition
Case Size: 33.5mm diameter (without crown)
Lug To Lug Size: 36mm
Case Thickness: 10mm

Posted at

Jan 13, 2026, 7:59 PM

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Omega Seamaster 300 Steel Pumpkin Patina Lollipop Hand (Unpolished/Serviced)

Omega - 300 · $10,500

Condition: unpolished/serviced
Case material: steel
Patina type: pumpkin

Posted at

Jan 13, 2026, 5:20 PM

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Omega Seamaster Professional 300 | No date with black wave dial

Omega - Seamaster Professional 300 · $5,700

This Omega Seamaster Professional 300 features a black wave dial and has been well maintained, including a full service in March 2025. It comes with its original packaging and paperwork.

Condition: Excellent condition
Water Resistance: 200m depth rating
Warranty Card Date: 12/10/24
Servicing History: Fully serviced in March 2025 by Omega Boutique

Posted at

Jan 13, 2026, 4:39 PM

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Strapify King Mesh bracelet - 20mm fits Omega Seamaster Diver 300m

· $100

This is a mesh bracelet from Strapify.com, specifically designed for the Omega Seamaster Diver 300m with 20mm lugs. It features high-quality 904L stainless steel and a secure folding deployant clasp.

Condition: Like new
Material: 904L grade stainless steel
Thickness: 3mm (near lugs), 2.5mm (near buckle)
Length: 95mm x 85mm

Posted at

Jan 13, 2026, 4:38 PM

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Strapify King Mesh bracelet - 20mm fits Omega Seamaster Diver 300m

This listing does not contain any information about a watch.

Posted at

Jan 13, 2026, 4:37 PM

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Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,999

Omega - 215.30.46.21.04.001 · $7,999

The Omega Seamaster Planet Ocean Ultra Deep is a technically impressive dive watch with a staggering 6,000-meter depth rating, high-performance engineering, and oversized dimensions.

Condition: Minty condition, excellent time keeping
Case Diameter: 45 mm
Lug Width: 22 mm
Lug To Lug: 51.9mm

Posted at

Jan 13, 2026, 1:50 PM

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Omega Seamaster 300M "Seaweed" Green Wave Dial on OEM Mesh! 210.32.42.20.10.001

Omega - 210.32.42.20.10.001 · $5,395

The Omega Seamaster Diver 300M 'Seaweed' features a rare and striking color combination, powered by the Caliber 8800 movement and water-resistant up to 300 meters.

Condition: Excellent preowned condition
Movement: Caliber 8800
Power reserve: up to 55 hours
Water resistance: up to 300 meters

Posted at

Jan 13, 2026, 11:31 AM

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