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

2025 OMEGA SEAMASTER JAMES BOND 60TH ANNIVERSARY

OMEGA - SEAMASTER JAMES BOND 60TH ANNIVERSARY

a luxury watch celebrating the 60th anniversary of James Bond

Model year: 2025

Posted at

Jan 9, 2026, 7:49 PM

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Omega Seamaster 2531.80 COMPLETE SET, Serviced by Omega with 2 year warranty

Omega - 2531.80 · $3,550

For sale is an Omega Seamaster 300, this watch is in extremely good condition with hardly any signs of wear.

Condition: Extremely excellent condition
Warranty: 2 year warranty
Payment Methods: crypto, credit card, etc. (excluding PayPal)
Condition Details: hardly any signs of wear

Posted at

Jan 9, 2026, 5:27 PM

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Omega Seamaster 2531.80 COMPLETE SET, Serviced by Omega with 2 year warranty

Omega - 2531.80 · $3,550

A Omega Seamaster 2531.80 Automatic 42mm in excellent condition, serviced by Omega and comes with a 2 year warranty.

Condition: Extremely excellent condition
Model size: 42mm diameter

Posted at

Jan 9, 2026, 4:47 PM

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Omega Seamaster Planet Ocean GMT 600M “Oreo” - 215.30.44.22.01.001

Omega - 215.30.44.22.01.001 · $5,650

This Omega Seamaster Planet Ocean GMT 600M 'Oreo' comes with additional accessories and is in very good condition, with some damage to the outer cardboard box.

Condition: very good pre-owned condition
Box Condition: outer box has some damage
Accessories: includes inner box, warranty, pictogram/master chrono cards, instruction booklet, AD purchase receipt

Posted at

Jan 9, 2026, 11:13 AM

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Omega Seamaster Railmaster 2503.52 – 39mm (Neo-Vintage), first Railmaster reintroduced by Omega since the original 1957 model. $2899

Omega - 2503.52 · $2,899

The neo-vintage Railmaster is in the ideal 39mm sweet spot—and notably, the first Railmaster reintroduced by Omega since the original 1957 model. A clean, no-date black dial, strong lume, and a timeless tool-watch aesthetic that wears effortlessly on the wrist.

Condition: great condition
Case size: 39mm
Dial color: black
Bracelet fits wrist: approximately 7.5"

Posted at

Jan 9, 2026, 9:51 AM

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[US] Omega Seamaster SMP300 - Green Dial - 42mm - 210.32.42.20.10.001 - Full Set

Omega - 210.32.42.20.10.001 · $4,400

Up for sale is an Omega Seamaster SMP300 - Green Dial - 42mm, which functions perfectly mechanically without issue.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm

Posted at

Jan 9, 2026, 8:00 AM

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Omega Seamaster DeVille Ref.535.004 Gold Capped (Bezel) Cal.630 Ladies Watch $450

Omega - 535.004 · $450

This Omega Seamaster DeVille Ref. 535.004 is a ladies' watch with a manual winding Cal.630 movement, featuring a gold capped bezel and stainless steel case.

Condition: In Good condition With Little Wear And Marks
Case width: 22.5mm (without crown)
Band type: After Market Leather
Gender: Ladies Watch

Posted at

Jan 8, 2026, 9:57 PM

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Omega Seamaster Brosnan 2531.80 & Current Gen 210.32

Omega - 2531.80 & 210.32 · $3,250

The listing features two Omega Seamaster watches, the OG Brosnan 2531.80 in excellent original condition and a current version 210.32 with a ceramic bezel on a rubber strap.

Condition: Excellent with one light polish, Mint condition (second watch)
Bezel type: Original & Ceramic
Strap type: Rubber
First bezel replaced: Last service

Posted at

Jan 8, 2026, 7:08 PM

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