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.

Buy Now on Jomashop

This is an affiliate link

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 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega - 234.30.41.21.01.001 · $6,845

The Omega Seamaster 300 Heritage is a classic dive watch with a rich, glossy black dial and a steel case that feels timeless and refined.

Condition: Excellent
Case material: steel
Bracelet type: matching bracelet
Included kit: outer box, inner box, operating instructions, extra strap, card holder, warranty card, master chronometer card and pictograms card

Posted at

Jan 12, 2026, 6:48 PM

Active

View listing on r/WatchExchange

📣🚨Omega Seamaster Diver 300M Black on Rubber Strap $4295 shipped🚨📣

Omega - 210.32.42.20.01.001 · $4,295

This Omega Seamaster Diver 300M is a 42mm watch in very good condition, featuring a black dial and rubber strap.

Condition: very good pre-owned
Case size: 42mm diameter
Includes: complete set with receipts

Posted at

Jan 12, 2026, 4:07 PM

Active

View listing on r/WatchExchange

📣🚨Omega Seamaster Diver 300M Black on Rubber Strap $4295 shipped🚨📣

Omega - 210.32.42.20.01.001 · $4,295

This Omega Seamaster Diver 300M is a 42mm case size watch featuring a black finish on a rubber strap.

Condition: very good pre-owned
Case Size: 42mm diameter
Includes: complete set with receipts

Posted at

Jan 12, 2026, 3:22 PM

Active

View listing on r/WatchExchange

Omega Seamaster. NTTD. Titanium James Bond - No Time To Die Full Kit.

Omega - 210.90.42.20.01.001 · $7,100

Material: Titanium

Posted at

Jan 12, 2026, 3:14 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega - 220.10.41.21.03.002 · $3,999

This Omega Seamaster Aqua Terra features a blue dial with a 150m water resistance.

Condition: like new
Bracelet length: 7.25 inches
Payment methods: Zelle, Venmo, Western Union

Posted at

Jan 12, 2026, 2:43 PM

Active

View listing on r/WatchExchange

Omega Seamaster ref 2531.80

Omega - 2531.80

Additional: Details

Posted at

Jan 12, 2026, 12:25 PM

Active

View listing on r/WatchExchange

Omega Seamaster Professional. “Seaweed” Green. Box, Papers, Links. 210.30.42.20.10.001

Omega - 210.30.42.20.10.001 · $4,400

This Omega Seamaster Professional features a Seaweed Green dial and is accompanied by its box, papers, and links.

Shipping method: Fedex with insurance
Shipping destinations: globally

Posted at

Jan 12, 2026, 11:35 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4000 Shipped

Omega - 215.30.44.21.03.001 · $4,000

This Omega Seamaster Planet Ocean is a 43.5mm stainless steel watch with a blue ZrO₂ ceramic dial and bezel, powered by the Caliber 8900 Co-Axial Master Chronometer movement, rated to 600m/2000ft.

Condition: Excellent overall with minor wear and hairlines
Case size: 43.5mm diameter
Water resistance: 600m/2000ft
Movement: Caliber 8900 Co-Axial Master Chronometer (60-hour power reserve)

Posted at

Jan 12, 2026, 11:03 AM

Active

View listing on r/WatchExchange