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 166.010 with original BOR bracelet

Omega - 166.010 · $900

A daily-worn Omega Seamaster 166.010 for sale, showing signs of hard wear and recent cleaning.

Condition: pre-owned with minor scratches and defects
Bracelet: original BOR bracelet

Posted at

May 17, 2026, 9:43 AM

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Omega Seamaster TV Quartz With Original Bracelet 196.0082 only for 425$ Shipped 🚢

Omega - 196.0082 · $425

Up for sale is an Omega Seamaster TV shape reference 196.0082 featuring a stainless steel case with a size of 35mm.

Condition: Neat, with a few hairline scratches and signs of aging on the dial
Case diameter: 35mm
Bracelet length: 7.9 inches

Posted at

May 17, 2026, 9:26 AM

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[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega - 210.20.42.20.03.002 · $6,925

A Omega Seamaster SMP300 with a blue dial and Sedna gold case, featuring a 42mm size.

Condition: Fantastic with minor hairlines
Case size: 42mm diameter

Posted at

May 17, 2026, 9:17 AM

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Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch, featuring a chronograph function.

Condition: Excellent condition and full set
Case diameter: 45.5mm

Posted at

May 16, 2026, 10:09 PM

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Omega Seamaster Planet Ocean 45.5mm 232.32.46.21.01.005

Omega - 232.32.46.21.01.005 · $4,500

A Omega Seamaster Planet Ocean watch with a 45.5mm case size, featuring the 8500 movement.

Condition: great condition
Case size: 45.5mm diameter
Movement: 8500

Posted at

May 16, 2026, 10:07 PM

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Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean 232.90.46.21.03.001 is a titanium model with a 45.5mm case size.

Condition: Excellent condition
Case size: 45.5mm diameter

Posted at

May 16, 2026, 10:03 PM

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Omega Seamaster Professional 300 SMP300 Black Dial 210.30.42.20.01.001

Omega - SMP300 · $4,275

This is a 2024 Omega Seamaster Diver 300 with a black dial and rubber strap. It features a stainless steel case, uni-directional ceramic bezel, and an automatic movement with a power reserve of around 55 hours.

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

Posted at

May 16, 2026, 7:10 PM

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