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

2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001

Omega - 235.10.38.20.06.001 · $4,299

A 2026 Omega Railmaster with a 38mm steel case and gray gradient dial, complete with a full set of accessories.

Condition: Excellent pre-owned condition
Case size: 38mm diameter
Bracelet material: steel
Dial color: gray gradient

Posted at

May 10, 2026, 2:46 PM

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Omega Seamaster Planet Ocean 2201.50.00 42mm — First Gen PO, Full Set, Daniel Craig Bond Era — $2,999 Shipped (Tariff Covered)

A first generation Planet Ocean from the early Daniel Craig James Bond era, featuring a classic black dial with oversized Arabic numerals and a reliable Co-Axial Cal. 2500 chronometer movement.

Posted at

May 10, 2026, 1:13 PM

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Omega Seamaster Planet Ocean Chronograph Ref: 2918.50.82

Omega - 2918.50.82 · $3,200

This Omega Seamaster Planet Ocean Chronograph is for sale, featuring a chronograph function and other advanced features.

Posted at

May 10, 2026, 12:02 PM

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Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

Omega - 215.30.44.21.01.001 · $4,475

This Omega Seamaster Planet Ocean 600M features a black dial on a steel bracelet. The watch is discontinued with boxes, booklet, and warranty card dated 6/9/2023.

Condition: Excellent condition with a few light marks
Case Size: 43.5mm diameter
Bracelet Material: Stainless Steel
Crystal: Sapphire

Posted at

May 10, 2026, 11:46 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 · $6,950

Up for sale is an Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm watch that functions perfectly mechanically without issue.

Condition: Fantastic with minor hairlines
Case Size: 42mm

Posted at

May 10, 2026, 9:35 AM

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[wts] Omega Seamaster Professional co-axial 300m 41mm 212.30.41.20.01.003 Black no wave dial with box, pictogram card, ebay authenticity card, extra Zealande rubber strap, and manual. $2900 shipped. Repost and Price Drop

Omega Seamaster Professional co-axial 300m 41mm 212.30.41.20.01.003 Black no wave dial with box, pictogram card, ebay authenticity card, extra Zealande rubber strap, and manual. $2900 shipped. Repost and Price Drop

Omega - 212.30.41.20.01.003 · $2,900

This Omega Seamaster Diver 300m is a great versatile diver and daily watch with a 41mm ink black dial and date at 3, featuring an automatic co-axial movement and helium escape valve.

Condition: Used
Bracelet condition: Sign of wear throughout
Bezel condition: Good
Crystal condition: Good

Posted at

May 10, 2026, 9:24 AM

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Omega Seamaster Beautiful Stardust Dial With Omega Bracelet 166.032 (Serviced) only for 899$ Shipped🚢

Omega - 166.032 · $899

A vintage Omega Seamaster from 1968 featuring a stainless steel case with a stardust dial and an automatic movement.

Condition: Good, with hairline scratches on case and crystal
Case Size: 36.5mm
Bracelet Length: 7.5 inches
Movement Type: Automatic (calibre 752)

Posted at

May 10, 2026, 8:57 AM

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Omega Seamaster 30 Manual Wind 135.007 -64 Men's Watch SALE $350

Omega - 135.007-64 · $350

This Omega Seamaster 30 is a manual wind watch made in Switzerland with a stainless steel case measuring 35mm in width.

Condition: Preowned with wear, patina, scratches and marks
Movement: Manual winding
Case material: Stainless steel
Band type: AfterMarket leather

Posted at

May 9, 2026, 10:25 PM

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Omega Seamaster Aqua Terra 150M Co-Axial. 220.10.41.21.10.001, 41 mm. Box, Papers.

Omega - 220.10.41.21.10.001 · $4,195

A Omega Seamaster Aqua Terra 150M Co-Axial with a 41mm diameter and 150m water resistance is being sold. The watch comes in its original box along with papers.

Case size: 41 mm
Box and papers included: true

Posted at

May 9, 2026, 4:46 PM

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