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 Diver No Wave Blue Dial 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 · $2,575

For sale is an Omega Seamaster with a beautiful no wave blue dial, in great condition and running great.

Condition: great condition with some light wear around the watch
Payment Methods Accepted: crypto with small fee, other methods (except PayPal)
Meets Local: yes
Open To Trades: yes, for brands Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

May 22, 2026, 11:37 AM

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40mm Omega Seamaster Railmaster Black Dial - Ref 220.12.40.20.01.001 - FULL KIT (Box & Cards)

Omega - 220.12.40.20.01.001 · $2,500

The Omega Seamaster Railmaster features a black dial with vertical linear-brushed texture, recessed vintage-colored lume markers, and a signature 'lollipop' seconds hand. It has been an honest daily-wear tool watch.

Condition: Daily-wear tool watch with visible scuffs on the bezel and top-left lug
Movement: METAS-certified Calibre 8806

Posted at

May 22, 2026, 11:28 AM

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Omega Seamaster 300 Heritage 234.30.41.21.01.001 COMPLETE SET 2025

Omega - 234.30.41.21.01.001 · $5,150

For sale is an Omega Seamaster 300 Heritage, this watch is in great condition, there is some light wear around the watch but nothing really deep or noticeable.

Condition: great condition with some light wear
Warranty Card Date: 2025
Complete Set: yes

Posted at

May 22, 2026, 11:28 AM

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Omega Seamaster 166.067, Beautiful Dial, Original Bracelet only for 750$ Shipped🚢

Omega - 166.067 · $750

This Omega Seamaster 166.067 features a stainless steel case with a 36mm diameter and an automatic movement calibre 556, keeping accurate time.

Condition: Great with a few hairline scratches
Case size: 36mm diameter
Bracelet length range: up to 7 inches
Movement type: Automatic calibre 556

Posted at

May 22, 2026, 9:03 AM

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Omega Seamaster 2221.80 41mm Quartz- $2,190

Omega - 2221.80 · $2,190

Up for sale is my Omega Seamaster 2221.80, a quartz-powered watch measuring at 41mm.

Condition: very good condition
Case Size: 41mm diameter
Movement Type: quartz

Posted at

May 22, 2026, 4:25 AM

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Omega Seamaster Planet Ocean 232.30.38.20.01.001 38mm Box and Papers - $2,990

Omega - 232.30.38.20.01.001 · $2,990

Up for sale is my Omega Seamaster Planet Ocean 232.30.38.20.01.001, a 38mm automatic watch with an Omega 8520 movement.

Condition: Great condition for its age, minimal marks/hairlines
Case Size: 38mm diameter
Movement: Omega 8520, automatic
Bracelet Length: fits up to 7-7.25 inch wrists depending on wrist shape

Posted at

May 22, 2026, 4:13 AM

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Omega Seamaster Dynamic II Spider 🕷 🔴 🇨🇭

Omega - Dynamic II Spider · $440

This unique Omega Seamaster Dynamic II Spider is a neo-vintage piece with an accurate timekeeping, clean dial and stunning metallic finish. It comes on a brand-new leather strap.

Condition: good condition for its age
Case Diameter: 26mm (without crown)
Lug To Lug: 30mm
Thickness: 7mm

Posted at

May 21, 2026, 10:06 PM

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