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. 41mm. Automatic. Chronograph.

Omega - Seamaster Professional · $2,395

A 41mm automatic chronograph Omega Seamaster Professional, available for sale.

Size: 41mm diameter
Movement type: Automatic

Posted at

Nov 1, 2025, 4:00 PM

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Omega Seamaster Professional 36mm blue non wave 212.30.36.20.01.003 $2350

Omega - 212.30.36.20.01.003 · $2,350

This Omega Seamaster Professional is a 36mm non wave dial watch with a reference number of 212.30.36.20.01.003. It has been freshly polished and looks new.

Condition: Freshly polished, running a bit fast as per timegrapher numbers
Case size: 36mm diameter
Wrist fit: 18cm

Posted at

Nov 1, 2025, 1:54 PM

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Omega Seamaster Seaweed

Omega - Seamaster Seaweed · $4,600

Up for sale is my 2024 Omega Seamaster, which I just bought new and it's unfortunately a little too big for my wrist.

Condition: Mint
Warranty Valid Until: October 2029
Shipping: CONUS (continental United States)
Size: Too big for the seller's wrist

Posted at

Nov 1, 2025, 1:29 PM

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Omega Seamaster (SMP300 Seaweed) Full kit

Omega - 21032422010001 · $4,500

A Omega Seamaster 300 is available for sale, featuring a full set and excellent condition. The watch comes with stock accessories such as a green rubber strap and Uncle bracelet.

Condition: Excellent condition
Case size: 42mm diameter
Strap options: stock green rubber strap, Uncle bracelet, green nato with deployant clasp

Posted at

Nov 1, 2025, 12:39 PM

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Omega Seamaster Aqua Terra Shades

Omega - 220.10.38.20.10.004 · $5,500

This Omega Aqua Terra Shades features a 38mm case, sun-brushed lavender dial, and an automatic master chronometer certified movement.

Condition: Very good
Case diameter: 38mm
Bracelet material: metal (updated version with quick extension)

Posted at

Nov 1, 2025, 11:59 AM

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Vintage Omega Seamaster 166.032

Omega - 166.032 · $1,150

A vintage Omega Seamaster 166.032 built in 1968, featuring a gold sparkle dial and automatic movement.

Condition: Excellent
Case dimensions: 37 mm x 42 lug-to-lug x 18 mm between lugs
Movement accuracy: -2 per day on average
Dial condition: Immaculate without blemishes

Posted at

Nov 1, 2025, 11:49 AM

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Omega Seamaster Aqua Terra “PyeongChang 2018” 522.10.42.21.03.001 – 41.5 mm Co-Axial – Box and Papers 🎯 – $3,699 Shipped

Omega - 522.10.42.21.03.001 · $3,699

This is the Omega Seamaster Aqua Terra “PyeongChang 2018” Limited Edition, released to commemorate the 2018 Winter Olympics in South Korea. It features a blue teak dial and a stainless steel case with 150m water resistance, powered by the Co-Axial Master Chronometer Calibre 8500.

Condition: Excellent overall with faint surface wear from light use
Case size: 41.5mm
Water resistance: 150m
Depth rating: 150m water resistance

Posted at

Oct 31, 2025, 10:01 PM

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Omega Seamaster (SMP 300 Seaweed)

Omega - SMP 300 Seaweed · $4,800

2024 Omega Seamaster in excellent condition, complete set with active warranty through October 2029.

Condition: Mint condition
Year: 2024
Warranty Valid Until: October 2029

Posted at

Oct 31, 2025, 9:57 PM

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Omega Seamaster Aqua Terra 41 Black (Ref 220.10.41.21.01.001)

Omega - 220.10.41.21.01.001 · $4,200

This Omega Seamaster Aqua Terra features a black 'teak-deck' patterned dial and a 41mm stainless steel case with a transparent sapphire caseback, making it a stylish and functional watch for everyday wear and light water activities.

Condition: Excellent Condition
Movement: Calibre 8900 - METAS-certified, anti-magnetic up to 15,000 gauss, 60-hour power reserve
Case size: 41 mm diameter
Water resistance: 150 m / 500 ft depth rating

Posted at

Oct 31, 2025, 8:41 PM

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