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 Pros black and blue $3800 ea.

Omega - Seamaster Pros · $3,800

A black Omega Seamaster Pros from 2019 and a blue model from 2023 are being sold. The black watch has cosmetic damage, while the blue one is in solid condition.

Condition: Black (used) - good condition, Pearl cracked; Blue (new) - excellent condition
Year Black: 2019
Year Blue: 2023

Posted at

Oct 31, 2025, 1:06 PM

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Omega Seamaster 120 – 166.027 – 1967

Omega - 166.027 · $2,450

The Omega Seamaster 120 is a classic dive watch line from Omega's golden era, blending classic styling with real heritage and wearability.

Condition: Good vintage condition
Case size: 37mm diameter
Movement: Omega Caliber 563, 17-jewel automatic movement with push-pull quickset date

Posted at

Oct 31, 2025, 12:52 PM

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Omega Seamaster Diver 300 Seaweed. With 2 nato bracelets and 2 travel boxes. $4800. Purchased in July, Worn twice great like new condition.

Omega - Seamaster Diver 300 · $4,800

This Omega Seamaster Diver 300 Seaweed is a well-maintained watch, purchased in July and worn only twice. It comes with additional accessories.

Condition: like new
Bracelets: 2
Travel boxes: 2

Posted at

Oct 31, 2025, 11:44 AM

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This Omega Seamaster Railmaster is a 39mm model with the 2403 movement.

Movement: 2403

Posted at

Oct 31, 2025, 5:25 AM

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(2008) Full Set Omega Seamaster Aqua Terra 2504.30 Silver Dial Automatic First Generation 36mm $2,600

Omega - 2504.30 · $2,600

A first generation 2008 Omega Seamaster Aqua Terra in excellent condition with a silver dial and automatic movement.

Condition: Freshly polished, recently serviced
Case size: 36mm
Diameter: 36mm

Posted at

Oct 31, 2025, 5:12 AM

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Omega Seamaster Professional 41mm 2531.80 Automatic $2,100

Omega - 2531.80 · $2,100

This Omega Seamaster Professional features a 41mm case size with an aftermarket bezel replacement. It has been recently polished and shows good timegrapher numbers.

Case Size: 41mm
Bezel Type: aftermarket
Clicks: 120

Posted at

Oct 31, 2025, 5:08 AM

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Omega Seamaster Aqua Terra 2504.50 36mm Black Dial $2400

Omega - 2504.50 · $2,400

The Omega Seamaster Aqua Terra is a luxury watch featuring a black dial and 36mm case size.

Condition: Excellent
Movement: 2500c
Case Size: 36mm

Posted at

Oct 31, 2025, 3:48 AM

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Omega Seamaster Diver 300 M - 210.32.42.20.03.001

Omega - 210.32.42.20.03.001 · $5,000

This Omega Seamaster Pro Diver 300M is a full set including exterior box, case, manuals, hang tag, and original case back sticker.

Condition: Pre-owned, lightly used (about an hour)
Set: full set including exterior box, case, manuals, hang tag, original case back sticker
Warranty Start Date: 3/27/25

Posted at

Oct 30, 2025, 8:48 PM

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Omega Seamaster Professional 300M 18K Sedna Gold Bezel 210.22.42.20.01.002 - DEPLOYANT CLASP

Omega - 210.22.42.20.01.002 · $5,400

This Omega Seamaster Professional 300M is a 2021 model with a deployant clasp and an upgraded bezel made of Sedna gold.

Condition: Excellent
Year: 2021
Warranty: Dealer tested and running within spec
Wears: 40-50 wears

Posted at

Oct 30, 2025, 5:41 PM

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