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 Diver 300M, black small wave dial 210.32.42.20.01.003

Omega - 210.32.42.20.01.003 · $5,000

A no date Omega Seamaster Diver 300M with a black small wave dial and domed sapphire crystal, featuring an aluminum insert.

Condition: LIKE NEW
Material: aluminum
Water resistance: 300m

Posted at

Apr 10, 2026, 12:59 PM

Active

View listing on r/WatchExchange

Omega Seamaster Professional 300m Grey, 2020 Full Kit $4200

Omega - 210.30.42.20.06.001 · $4,200

This Omega Seamaster Professional 300m Grey is a pre-owned watch that comes complete with its original box, 2020 warranty, and manuals.

Condition: Preowned
Shipping cost (us states): $100
Payment methods: Wire or Credit Card (+4.9%)
Warranty year: 2020

Posted at

Apr 10, 2026, 12:52 PM

Active

View listing on r/WatchExchange

Brand New Fully Stickered Omega Seamaster Aquaterra 38mm 220.32.38.20.03.001 $6500 + label

Omega - 220.32.38.20.03.001 · $6,500

This Omega Seamaster Aquaterra is a brand new, fully stickered watch available on a rubber strap, complete with all original cards and packaging.

Condition: Brand New In Box (BNIB)
Size: 38mm
Dial Color: turquoise

Posted at

Apr 10, 2026, 12:30 PM

Active

View listing on r/WatchExchange

Omega Seamaster Midsize Quartz 2561.80 Full Kit

Omega - 2561.80 · $2,100

Up for sale is my Omega Seamaster Quartz midsize 36mm with original box and papers.

Condition: Good, some scratches
Case size: 36mm
Bracelet length: 7.5 inch

Posted at

Apr 10, 2026, 10:36 AM

Active

View listing on r/WatchExchange

Omega Seamaster 2531.80 | FULL KIT | near mint | $3200

Omega - 2531.80 · $3,200

This Omega Seamaster 2531.80 'Bond' is a well-maintained watch with a perfect bezel, dial, and crystal.

Condition: near mint
Water resistance: not specified

Posted at

Apr 10, 2026, 9:45 AM

Active

View listing on r/WatchExchange

1966-67 Omega Seamaster Chronostop W/ Box

Omega - 145.007 · $1,800

A well-maintained 1966-67 Omega Seamaster Chronostop in overall great condition, featuring a stainless steel case and original leather strap.

Condition: Great condition with age-appropriate wear
Year: 1966-67

Posted at

Apr 10, 2026, 8:30 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

Omega - 220.10.43.22.03.001 · $7,980

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial and matching blue strap, showcasing one of Omega's most impressive complications. The watch boasts a 43mm stainless steel case, laser-ablated world map center, and global city ring on the ceramic bezel.

Condition: New / Unworn
Case size: 43mm diameter
Water resistance: 150m depth rating
Power reserve: 60 hours

Posted at

Apr 9, 2026, 11:04 PM

Active

View listing on r/WatchExchange

Omega Seamaster 212.30.36 36mm Wave Dial - $2,490

Omega - 212.30.36.30.01.001 · $2,490

A 36mm Omega Seamaster with an automatic Calibre 2500 movement, measuring at 36mm in diameter.

Condition: Very good condition, minimal marks/hairlines on case and bracelet
Movement: Automatic, Omega Calibre 2500
Case size: 36mm diameter
Bracelet type: Original Omega steel bracelet

Posted at

Apr 9, 2026, 9:57 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2230.50 White Gold Bezel 41mm with cards - $2,890

Omega - 2230.50 · $2,890

A white gold Omega Seamaster 2230.50 with a steel case on an original Omega bracelet, featuring a beveled edge bezel. The watch has a clean exterior with minimal marks and good functionality.

Condition: 8.8/10, good condition, minimal usage marks on case and bezel
Case diameter: 41mm
Bracelet material: steel

Posted at

Apr 9, 2026, 9:48 PM

Active

View listing on r/WatchExchange