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 Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

Omega - 215.30.44.21.03.001 · $4,600

The Omega Seamaster Planet Ocean 8900 Blue features a 43.5mm case size and is still under warranty until November 2028.

Warranty Valid Through: NOV 2028
Shipping Method: FedEx
Available Payment Methods: Zelle, Venmo, Wire, Apple Pay

Posted at

May 1, 2026, 10:20 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega - 215.30.44.21.03.001 · $4,600

This Omega Seamaster Planet Ocean is a 43.5mm model under warranty until September 2028, complete with its boxes in great condition.

Condition: like new
Warranty Valid Until: SEP 2028
Boxes Condition: great

Posted at

May 1, 2026, 10:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

The Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch featuring a chronograph function.

Condition: Excellent condition
Case Size: 45.5mm diameter
Payment Methods: Zelle, Venmo, wire transfer, Apple Pay

Posted at

May 1, 2026, 10:16 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

Additional Details: Model: Omega Seamaster Planet Ocean 8500 45.5mm, a 2 - 3 sentence summary of the watch in the listing is not directly available, but it's an Omega Seamaster Planet Ocean 8500 with a 45.5mm case.

Condition: great condition
Case diameter: 45.5mm
Movement: 8500

Posted at

May 1, 2026, 10:13 PM

Active

View listing on r/WatchExchange

(Omega) Seamaster Aqua Terra 2517.50 $2,099

Omega - 2517.50 · $2,099

For sale is my 1st gen Omega Seamaster Aqua Terra, reference 2517.50. This is the 39mm, black dial, quartz variant. The watch is in great external condition and internally functioning as intended.

Condition: Great external condition, good internal condition
Case size: 39mm
Movement type: quartz

Posted at

May 1, 2026, 9:37 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300m James Bond 60th Anniversary 210.30.42.20.03.002 Full Kit, 2025 $7300+ 🏷️

Omega - 210.30.42.20.03.002 · $7,300

This Omega Seamaster 300m is a quintessential Bond Watch celebrating its 60th anniversary, featuring modern specifications and cool design elements.

Condition: Basically mint with a small scratch on the clasp
Water Resistance: 300m
Power Reserve: 55 hours

Posted at

May 1, 2026, 9:22 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega - 212.30.41.20.01.003 · $3,300

A discontinued Omega Seamaster Professional 300M 'No Wave' model from 2017, featuring a 41mm case and a unique black lacquer dial. This specific year is notable as it's one of the last production years for this reference before Omega switched to larger models. The watch includes a premium wooden presentation box and an international warranty card.

Condition: Light wear with no deep scratches
Case size: 41mm diameter
Thickness: ~13mm
Dial material: black gloss lacquer

Posted at

May 1, 2026, 9:17 PM

Active

View listing on r/WatchExchange

Omega Seamaster 36mm 2236.50 — 18K White Gold Bezel, Sleeper Deal

Omega - 2236.50 · $1,950

The Omega Seamaster Professional 300M is a 36mm midsize version of the classic Seamaster, featuring a black wave dial and an 18K white gold bezel insert.

Condition: Great overall with light wear
Case size: 36.25mm
Lug to lug: 44mm
Thickness: 11.5mm

Posted at

May 1, 2026, 8:25 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA - 232.32.42.21.01.003 · $4,150

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

Condition: VERY GOOD, few superficial scratches on case
Movement caliber: 8500
Case material: stainless steel
Water resistance depth: 600m

Posted at

May 1, 2026, 8:08 PM

Active

View listing on r/WatchExchange