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.

Buy Now on Jomashop

This is an affiliate link

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

2025 Omega Seamaster Aqua Terra 150m Turquoise Lacquer Dial 220.10.41.21.03.006

Omega - 220.10.41.21.03.006 · $5,900

A 2025 Omega Seamaster Aqua Terra with a 41mm turquoise lacquer dial, automatic Master Chronometer movement, and stainless steel case.

Condition: Great condition overall, some light wear on stainless steel case
Size: 41mm diameter
Depth rating: 150m water resistance
Movement type: Automatic Master Chronometer

Posted at

Aug 23, 2025, 9:28 PM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Professional 300m (ref: 210.32.42.20.01.003)

Omega - 210.32.42.20.01.003 · $4,999

Selling a newish Seamaster Professional no date, purchased in January 2025 from an Omega Boutique, with a rubber deployment clasp and a foster oyster style bracelet.

Condition: Near flawless, slightly used
Bracelet: Fostner Oyster style
Deployment clasp: Rubber

Posted at

Aug 23, 2025, 7:26 PM

Active

View listing on r/WatchExchange

Omega Seamaster 20mm Bracelet - $650

Omega - Seamaster · $650

A used Omega Seamaster with a 20mm bracelet, sold as part of a collection.

Condition: Excellent, with small marks on clasp and screw
Bracelet size: 20mm

Posted at

Aug 23, 2025, 7:05 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300m Blue 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 · $2,799

This Omega Seamaster Professional 300m Blue is a men's watch featuring a blue dial and a stainless steel bracelet.

Length of bracelet: 7.75 inches

Posted at

Aug 23, 2025, 3:10 PM

Active

View listing on r/WatchExchange

Omega Seamaster. Aquaterra. 39mm. Automatic.

Omega - Aquaterra · $2,350

Omega Seamaster Aquaterra, a 39mm automatic watch with Omega box, suitable for large wrists.

Size: 39mm diameter
Movement: automatic

Posted at

Aug 23, 2025, 12:02 PM

Active

View listing on r/WatchExchange

Authentic Omega Seamaster Planet Ocean Half Link 115st1580 for Bracelet 1580/952

Omega - 115st1580 · $75

A half link for the Omega Seamaster Planet Ocean bracelet model 1580/952, previously used on a first-generation Planet Ocean watch.

Condition: used but good condition
Model number compatibility: 1580/952
Includes: half link, 2 pins, 2 collars, blister pack

Posted at

Aug 22, 2025, 10:28 PM

Active

View listing on r/WatchExchange

Omega Seamaster Professional Diver 300M Nekton Edition 210.32.42.20.01.002 with Box

Omega - 210.32.42.20.01.002 · $4,700

The Omega Seamaster Professional Diver 300M Nekton Edition is a high-end dive watch featuring a stainless steel case, grade 5 titanium unidirectional dive bezel, and matte black ceramic wave dial. It comes equipped with an automatic mechanical movement and is accompanied by a range of accessories.

Condition: Nice Preowned condition with light scratches on the case, bezel and bracelet.
Case material: Stainless Steel
Case dimensions: 42mm diameter
Bezel material: Grade 5 Titanium Unidirectional Dive Bezel

Posted at

Aug 22, 2025, 8:28 PM

Active

View listing on r/WatchExchange

Omega Mid Sized Seamaster James Bond 50th Anniversary

Omega - 212.30.36.20.51.001 · $3,999

This Omega Seamaster is a limited edition piece, number 990 of 3007, featuring a smaller case size of 36.25MM. It's a great option for 007 fans or those with smaller wrists. The watch has several unique details, including an OEM diamond on the 7, '007' motif on the dial, and decorations on the case back and rotor.

Condition: Great condition with some signs of use
Case Size: 36.25mm
Limited Edition Number: 990 of 3007

Posted at

Aug 22, 2025, 6:29 PM

Active

View listing on r/WatchExchange