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 Aqua Terra 41mm (220.12.41.21.02.002) – Full Set (Sept 2025)

Omega - 220.12.41.21.02.002 · $5,500

This Omega Seamaster Aqua Terra 41mm is a brand new, unused watch with a white dial and orange accent. It comes with the full set, including OEM rubber strap, inner/outer boxes, cards, and manual.

Condition: Like new with minimal signs of wear
Warranty: 5-year full warranty from Omega
Set included: Full set including inner/outer boxes, three cards (Pictogram, Master Chronometer, Warranty), and manual

Posted at

Oct 31, 2025, 2:54 PM

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OMEGA Seamaster Planet Ocean 600M, Ref 215.30.44.21.01.001, FULL KIT!

OMEGA - 215.30.44.21.01.001

Case diameter: 45mm
Water resistance: 600m

Posted at

Oct 31, 2025, 1:44 PM

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Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 43.5mm

Omega - 232.30.44.22.03.001 · $4,900

This Omega Seamaster Planet Ocean GMT Good Planet features a 43.5mm case size and comes with its original box and papers.

Condition: Good condition
Case Size: 43.5mm

Posted at

Oct 31, 2025, 1:24 PM

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Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

Omega - 232.30.46.51.01.001 · $4,400

This Omega Seamaster Planet Ocean Chronograph features a 45mm case diameter, a unidirectional rotating bezel, and a date display at the 3 o'clock position.

Condition: Great condition
Water resistance: 200m depth rating
Warranty: valid through NOV 2027

Posted at

Oct 31, 2025, 1:20 PM

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Omega Seamaster Planet Ocean 8500 Titanium 232.90.46.21.03.001 45.5mm under warranty

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean 8500 Titanium is a 45.5mm watch that comes with factory warranty valid until November 2027.

Condition: Excellent condition
Case size: 45.5mm diameter
Warranty expiration date: NOV 2027

Posted at

Oct 31, 2025, 1:18 PM

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Omega Seamaster Pros black and blue $3800 ea.

Omega - Seamaster Pros · $3,800

A black Omega Seamaster Pros from 2019 and a blue model from 2023 are being sold. The black watch has cosmetic damage, while the blue one is in solid condition.

Condition: Black (used) - good condition, Pearl cracked; Blue (new) - excellent condition
Year Black: 2019
Year Blue: 2023

Posted at

Oct 31, 2025, 1:06 PM

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