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 Diver 300M | 2018 full set | 212.30.41.20.01.003 41MM black lacquer dial | $3,295 shipped

Omega - 212.30.41.20.01.003 · $3,295

This is a 2018 Omega Seamaster Diver 300M in a 41MM black lacquer dial, featuring the last year of production for this specific case and dial combination.

Condition: very good condition with minimal wear
Case size: 41mm
Year of production: 2018

Posted at

May 18, 2026, 5:07 PM

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Omega Seamaster Professional 300M Blue Dial + Omega Speedmaster Professional Moonwatch Full Set.

Omega - Seamaster Professional 300M, Speedmaster Professional Moonwatch · $1,500

The listing features two Omega watches for sale: an Omega Seamaster Professional 300M with a blue dial and an Omega Speedmaster Professional Moonwatch.

Shipping Details: available upon request
Videos Available: yes

Posted at

May 18, 2026, 3:36 PM

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1963 Vintage Omega Seamaster 135.003-62-SC 35mm + Box

Omega - 135.003-62-SC · $1,200

A 1963 vintage Omega Seamaster with a rare carbon linen dial color, measuring 35mm in diameter.

Condition: Good
Dial size: 35mm
Case size: not specified
Year: 1963

Posted at

May 18, 2026, 1:39 PM

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Omega Seamaster Diver 300M 210.32.42.20.06.002 42mm Automatic Grey Dial Full Set

Omega - 210.32.42.20.06.002 · $6,195

This Omega Seamaster Diver 300M features a stainless steel case with a grey dial and black ceramic bezel, powered by an Automatic Co-Axial movement.

Condition: Excellent condition
Case Size: 42mm
Case Material: stainless steel
Movement Type: Automatic Co-Axial

Posted at

May 18, 2026, 12:14 PM

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Omega Seamaster Chronometer Ref. 168.024 | Onyx Markers | Unpolished | Original BoR Bracelet | All Original | $1500 (SERVICED)

Omega - 168.024 · $1,500

Up for sale is a very honest and highly attractive Omega Seamaster Chronometer ref. 168.024 from the 1960s with spotless original dial, unpolished case, and original beads-of-rice bracelet.

Condition: Excellent vintage condition overall
Dimensions: 34.5mm diameter, 42mm lug-to-lug, 11mm thickness, 18mm lug width
Bracelet type: Original beads-of-rice bracelet

Posted at

May 18, 2026, 10:15 AM

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Omega Seamaster 200 “Banana” 166.068 — Vintage Preowned Condition, Watch Only

Omega - 166.068 · $3,000

The Omega Seamaster 200 “Banana” is a distinctive vintage dive watch known for its bold yellow-toned rotating bezel insert. It features a classic stainless steel case with vintage Seamaster styling and delivers strong character and everyday wearability.

Condition: vintage preowned condition, healthy case, marks on the crystal, running great at +2 seconds per day with amplitude over 260
Case size: 41mm diameter
Lug to lug length: ~47mm
Thickness: 11.5mm

Posted at

May 18, 2026, 9:09 AM

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Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial 42mm Automatic Full Set

Omega - 210.22.42.20.03.001 · $5,999

This Omega Seamaster Diver 300M features a two-tone stainless steel and yellow gold case with a blue dial on a matching blue rubber strap, powered by an automatic movement.

Condition: Very good
Case size: 42mm
Movement type: Automatic

Posted at

May 18, 2026, 8:56 AM

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Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $4,995

This Omega Seamaster Aqua Terra features a stainless steel case, grey teak dial, and automatic movement. It comes with an original outer box, inner box, and undated warranty card.

Condition: Very good condition
Movement type: Automatic
Bracelet material: Stainless steel
Case size: 41 mm

Posted at

May 18, 2026, 8:49 AM

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