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 300 Full kit w/ Extra leather straps

Omega - 233.30.41.21.01.001 · $3,800

This Omega Seamaster 300 Master Co-axial Chronometer is a mechanical automatic watch featuring a black dial and domed sapphire crystal with anti-reflective treatment. It comes in a steel case with a 41mm diameter and has a water resistance of 300m.

Condition: Slight wear on bracelet, clasp, and case
Movement: Omega 8400
Power reserve: 60 hours
Case size: 41mm diameter

Posted at

May 12, 2026, 4:53 PM

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2023 Omega Seamaster Diver SMP300m 42mm Blue Wave Dial Reference 210.30.42.20.03.001 Box and Papers

Omega - 210.30.42.20.03.001 · $4,327

This is a 2023 Omega Seamaster Diver SMP300M with a 42mm blue wave dial. It is in excellent condition with minimal signs of wear on the case, bracelet, and clasp.

Condition: Excellent
Case Size: 42mm
Depth Rating: 300m
Water Resistance: 300m

Posted at

May 12, 2026, 2:03 PM

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1966 Omega Seamaster 166.003 gold-capped with 14k gold bezel - FULLY SERVICED - $ 1090 delivered tariffs covered.

Omega - 166.003 · $1,090

a 1966 Omega Seamaster with a gold-capped case and 14k gold bezel, fully serviced.

Material: gold-capped case and 14k gold bezel
Year: 1966

Posted at

May 12, 2026, 12:07 PM

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1952 Omega Pre-Seamaster Ref. G6232 | Waffle Dial | 14k Gold Filled | Bumper Automatic | $1400 (SERVICED)

Omega - G6232 · $1,400

A classic early automatic Omega with a honeycomb textured dial, paired with applied markers and dauphine hands.

Condition: Excellent vintage condition
Diameter: 34mm
Lug-to-lug length: ~42mm
Thickness: ~11mm

Posted at

May 12, 2026, 11:46 AM

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Omega Seamaster Professional 300m Black Preowned 2021, $4200

Omega - 210.32.42.20.01.001 · $4,200

This Omega Seamaster Professional is a black watch with a 300m water resistance rating and comes with various accessories including the box, warranty, and manuals.

Condition: Preowned
Year: 2021
Water Resistance: 300m

Posted at

May 12, 2026, 10:21 AM

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Omega Seamaster ref. 165.067 w/ Cal. 552 – Original sparkle dial, serviced, BOR 1037/614 – $1,069

Omega - 165.067 · $1,069

A vintage Omega Seamaster ref. 165.067 with a 36mm stainless steel case, original sparkle dial, and freshly serviced Cal. 552 automatic movement, along with its original Omega Beads of Rice bracelet ref. 1037.

Condition: Good condition with small age marks and scratches on the case.
Case size: 36mm
Bracelet size: fits around 7–7.25" wrist
Water resistance: not waterproof, vintage watch

Posted at

May 12, 2026, 9:10 AM

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Omega Seamaster Planet Ocean 2201.50 42mm with Box & Papers - US Based $4100 Shipped

Omega - 2201.50 · $4,100

A Omega Seamaster Planet Ocean 42mm Gen 1, it comes in its original box with papers and manual.

Condition: Excellent (minor scratches on bracelet and bezel)
Bracelet condition: Minor scratches
Crystal condition: Completely fresh
Box condition: Great

Posted at

May 12, 2026, 1:01 AM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,790

Omega - 231.10.39.21.01.001 · $2,790

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001. This watch measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

Condition: Very good condition for its age, minimal marks/hairlines
Case Size: 38.5mm diameter
Movement: Omega Calibre 8500, automatic

Posted at

May 11, 2026, 10:01 PM

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