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 Professional 300M “Blue Wave Dial” Ref 2551.80

Omega - 2551.80 · $1,925

This Omega Seamaster Professional 300M is a midsize (36mm) automatic watch featuring a classic deep blue wave dial, suitable for everyday wearability and classic dive watch styling.

Condition: Very good overall, with signs of wear on the case and bracelet
Case size: 36mm
Bracelet links: 11
Crystal condition: Clear and free of scratches or chips

Posted at

Oct 26, 2025, 8:03 PM

Active

View listing on r/WatchExchange

Vintage Omega Seamaster 166.032 in Excellent Condition

Omega - 166.032 · $1,200

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

Condition: Excellent
Movement type: Cal. 750 automatic movement with day/date function
Case size: 37mm diameter
Lug-to-lug length: 42mm

Posted at

Oct 26, 2025, 3:38 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300 233.30.41.21.01.001 - Full Kit

Omega - 300 233.30.41.21.01.001 · $4,000

The Omega Seamaster 300 is a high-end watch that features a 41mm case diameter and 300m water resistance.

Movement: Omega 8400 Co-Axial
Crystal: Sapphire
Water Resistance: 300m

Posted at

Oct 26, 2025, 2:43 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300m 212.30.41.61.01.001

Omega - 212.30.41.61.01.001 · $1,900

A Omega Seamaster 300m quartz movement watch with a 41mm case size and full size bracelet, produced in 2012.

Condition: good, some light scratches on the bracelet
Movement: quartz
Case size: 41mm
Bracelet type: full-size

Posted at

Oct 26, 2025, 2:38 PM

Active

View listing on r/WatchExchange

Omega Seamaster Professional 2254.50 “Peter Blake” – Fresh Omega Factory Service

Omega - 2254.50 · $6,500

This is an Omega Seamaster Professional 2254.50 'Peter Blake', a fresh Omega factory service.

Model name: Peter Blake

Posted at

Oct 26, 2025, 2:37 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M – Ref. 215.30.44.21.01.001 – Full Set / Retail Ready / $4,300 Shipped

Omega - 215.30.44.21.01.001 · $4,300

Up for sale is my beautiful Omega Seamaster Planet Ocean 600M, a 43.5 mm diver that combines luxury design with serious tool-watch performance.

Condition: Excellent / Retail Ready (Cleaned & Inspected)
Case Size: 43.5mm
Case Material: Stainless Steel
Bezel Type: Black Ceramic

Posted at

Oct 26, 2025, 12:45 PM

Active

View listing on r/WatchExchange

Excellent Omega Seamaster Planet Ocean 2208.50 Full Set Condition $2750 Shipped SALE

Omega - 2208.50 · $2,750

This Omega Seamaster Planet Ocean is a stainless steel automatic watch with a 45mm case width, suitable for men's wrists up to 20cm.

Condition: Pre Owned, with little wear & marks
Case Width: 45mm (without crown)
Band Type: Stainless steel
Band Condition: Preowned

Posted at

Oct 26, 2025, 11:55 AM

Active

View listing on r/WatchExchange

omega seamaster aqua terra 1.3k

Omega - 2518.50.00 · $1,300

This Omega Seamaster Aqua Terra is a 36mm model in good condition with some scratches and scuffs, but running great.

Condition: Good condition with some scratches and scuffs
Bracelet size: 6.5 in (wrist size)
Box/papers: No

Posted at

Oct 26, 2025, 11:19 AM

Active

View listing on r/WatchExchange

Omega Seamaster 300 Full Steel Yellow Patina Very Rare Original Owner 1960s (Unpolished)

Omega - 165.024 · $9,300

A highly sought-after 1960s Omega Seamaster 300 Ref. 165.024, preserved in remarkable all-original and unpolished condition.

Condition: Unpolished, all-original condition with signs of wear consistent with careful use over time
Size: 41mm
Year: 1960s
Bakelite bezel status: intact and well-preserved

Posted at

Oct 26, 2025, 10:40 AM

Active

View listing on r/WatchExchange