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

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395

Up for sale is a Omega Seamaster Diver 300m Green Seaweed, a watch from the 2024 collection.

Condition: Excellent condition with minimal signs of wear
Year: 2024
Case Size: 42mm
Water Resistance: 300m

Posted at

Apr 21, 2026, 12:03 PM

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Omega Seamaster 300m 210.30.42.20.06.001

Omega - 210.30.42.20.06.001 · $3,999

This Omega Seamaster 300m features a 42mm case and is sold with extra links for a 7-inch wrist. It comes with a blue rubber strap, deployant clasp, and a forstner bracelet.

Condition: good condition with desk diving wear
Bracelet size: 7 inch
Extra links: several
Included straps: blue rubber strap with deployant clasp, forstner bracelet

Posted at

Apr 21, 2026, 11:21 AM

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Omega Seamaster 2514.50 200m/666ft Cal1400 Omegamatic ATQ | Excellent Condition | Movement Serviced | 1200$

Omega - 2516.50 200m/666ft Cal1400 Omegamatic ATQ · $1,200

A vintage Omega Seamaster model that has been discontinued, featuring a unique two-layer black design with red accents and a smoothly rotating bezel for timing.

Condition: Excellent Condition
Case Size: 36mm x 10mm
Crystal: Sapphire
Lug Width: 18.2mm

Posted at

Apr 21, 2026, 11:18 AM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,990

Omega - 231.10.39.21.01.001 · $2,990

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with an automatic Omega Calibre 8500 movement.

Condition: Very good condition for its age
Size: 38.5mm diameter
Movement: Omega Calibre 8500
Case Material: steel

Posted at

Apr 21, 2026, 4:56 AM

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Omega Seamaster 2254.50 41mm Peter Blake - $2,990 - Reserved for u/geehanski

Omega - 2254.50 · $2,990

Up for sale is my great condition Omega Seamaster 2254.50 41mm Automatic Peter Blake. The watch has a steel case on original Omega steel bracelet, with sapphire crystal and clean parts.

Condition: great condition for its age
Case size: 41mm
Bracelet material: steel
Crystal type: sapphire

Posted at

Apr 21, 2026, 4:25 AM

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Omega Seamaster Peter Blake 2264.50 41mm Quartz - $2,190

Omega - 2264.50 · $2,190

Up for sale is a very good condition Omega Seamaster 2264.50 41mm Quartz with Calibre OMEGA 1538 Quartz movement, measuring at 41mm.

Condition: Very good condition for its age
Movement: Calibre OMEGA 1538 Quartz
Case size: 41mm
Bracelet type: Original bracelet

Posted at

Apr 21, 2026, 4:21 AM

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Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190

Up for sale is my Omega Seamaster 2222.80, a mid-size watch measuring at 36mm with an automatic co-axial cal 2500 movement.

Condition: Very good, with minimal marks/hairlines on the case, caseback, and bracelet.
Case size: 36mm
Movement type: automatic, co-axial cal 2500
Bracelet length: fits up to 7-7.25 inch wrists

Posted at

Apr 21, 2026, 4:18 AM

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