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 Profissional 300m Eletric Blue Dial 36mm

Omega - Seamaster Profissional · $2,500

This Omega Seamaster is a beautiful watch with a Quartz Cal. 1538 movement, featuring a 36mm electric blue dial.

Condition: impeccable
Case Size: 36mm
Movement Type: Quartz

Posted at

May 8, 2026, 10:53 AM

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OMEGA Seamaster 300 - Full Kit $4400 Shipped

Omega - 233.30.41.21.01.001 · $4,400

A used Omega Seamaster 300 Master Co-axial Chronometer with mechanical movement, sold as a full kit including extra leather straps and original box/papers. The watch is in decent condition with minor wear.

Condition: Slight wear on bracelet, clasp, and case
Case size: 41mm
Case material: Steel
Diameter: 41mm

Posted at

May 8, 2026, 10:20 AM

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

Omega - 196.0082 · $425

The Omega Seamaster TV Quartz features a stainless steel case with a 35mm size and comes on its original bracelet.

Condition: neat, a few hairline scratches
Case Size: 35mm diameter
Bracelet Length: 7.9 inches

Posted at

May 8, 2026, 9:31 AM

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Omega Seamaster 2221.80 41mm Quartz- $2,300 - Reserved post for u/MidnightAffirmation

Omega - 2221.80 · $2,300

Up for sale is my very good condition Omega Seamaster 2221.80 with a 41mm steel case, quartz movement, and original Omega steel bracelet.

Condition: Very good, minor marks on case and bezel edges
Movement: Omega Caliber 1538 quartz
Bracelet size range: fits wrists up to 6.75-7 inches depending on shape

Posted at

May 8, 2026, 3:39 AM

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Omega Seamaster 2236.50 White Gold Bezel 36mm Box and Papers - $2,290

Omega - 2236.50 · $2,290

Up for sale is my great condition Omega Seamaster 2236.50. This watch measures at 36mm and has an Omega Calibre 1120 automatic movement.

Condition: Very good condition, minor wear
Case size: 36mm diameter
Movement: Omega Calibre 1120
Bracelet length: fits up to 6.75-7 inch wrists

Posted at

May 8, 2026, 3:36 AM

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Omega Seamaster Pro 300 Monochrome

Omega - 210.30.42.20.01.010 · $5,400

a beautiful Omega Seamaster Pro Monochrome, a more subtle and contemporary twist on the classic watch

Condition: Great, minimal wear
Movement: Cal 8806
Size: 42mm diameter

Posted at

May 7, 2026, 10:12 PM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

Omega - 231.10.39.21.01.001 · $2,890

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, featuring an automatic Omega Calibre 8500 movement and measuring at 38.5mm in diameter.

Condition: Very good condition, minimal marks/hairlines on case, caseback, and bracelet.
Movement: Omega Calibre 8500
Bracelet material: Steel
Case material: Steel

Posted at

May 7, 2026, 9:57 PM

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Omega Seamaster 2531.80 41mm Bond , Box and Card Clean - $2.750

Omega - 2531.80 · $2,750

Up for sale is my very good condition Omega Seamaster 2531.80, a 41mm watch with Omega Caliber 1120 self-winding movement.

Condition: very good condition
Case size: 41mm diameter
Bracelet length: up to 7-7.25 inch wrists depending on wrist shape

Posted at

May 7, 2026, 9:53 PM

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Omega Seamaster Planet Ocean 2201.51 42mm - $2,790

Omega - 2201.51 · $2,790

Up for sale is my Omega Seamaster Planet Ocean 2201.51, a 42mm automatic watch with an Omega Calibre 2500 movement.

Condition: Very good condition
Case material: Steel
Bracelet type: Original Omega steel bracelet
Bezel insert: Aftermarket bezel insert currently installed, can install original upon request

Posted at

May 7, 2026, 9:50 PM

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