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

OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

Omega - 215.30.44.21.01.002 · $4,800

An Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer 44mm, featuring a bold 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS.

Condition: Very good
Case size: 44mm diameter
Movement: Omega Co-Axial Master Chronometer Calibre 8900
Water resistance: 600m / 2000ft

Posted at

Mar 24, 2026, 8:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2253.80 - Electric Blue 36mm Automatic

Omega - 2253.80 · $1,995

The Omega Seamaster Professional 300M 'Electric Blue' is a rare model featuring a highly sought-after electric blue dial. It has normal wear throughout and everything functions as it should.

Condition: good pre-owned condition
Size: 36mm diameter
Water Resistance: 30m

Posted at

Mar 24, 2026, 6:28 PM

Active

View listing on r/WatchExchange

1964 Omega Seamaster DeVille Crosshair Dial Manual Winding Cal. 600 – Box

Omega - Deville Crosshair Dial Cal. 600 · $420

This 1964 Omega Seamaster DeVille features a classic crosshair dial and manual wind Cal. 600 movement, giving it true vintage character.

Condition: Pre-owned with signs of aging and wear
Case size: 34mm diameter without crown
Movement: Cal. 600 manual winding

Posted at

Mar 24, 2026, 3:47 PM

Active

View listing on r/WatchExchange

Vintage Omega Seamaster Deville 60s

Omega - Seamaster Deville 60s · $1,350

A vintage Omega Seamaster Deville from the 1960s comes with its original accessories and is available on an AM strap.

Condition: Pre-owned (runs well)
Original Accessories: comes with box, booklets, and warranty card
Strap Type: AM

Posted at

Mar 24, 2026, 3:21 PM

Active

View listing on r/WatchExchange

Omega 2504.80.00 — Seamaster Aqua Terra Blue Dial 36mm — Cal. 2500 Co-Axial Chronometer — $2,399 Shipped

Omega - 2504.80.00 · $2,399

This Omega Seamaster Aqua Terra features a sunburst blue dial paired with the Cal. 2500 Co-Axial automatic movement in a versatile 36mm case that works well in casual and formal settings.

Condition: Pre-owned with signs of wear and light surface scratches consistent with age
Movement: Cal. 2500 Co-Axial
Case dimensions: 43.5mm lug-to-lug, 11mm thickness, 19mm lug width
Bracelet size: fits up to approximately a 7” wrist

Posted at

Mar 24, 2026, 1:22 PM

Active

View listing on r/WatchExchange