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 Brosnan 2531.80 & Current Gen 210.32

Omega - 2531.80 & 210.32 · $3,250

The listing features two Omega Seamaster watches, the OG Brosnan 2531.80 in excellent original condition and a current version 210.32 with a ceramic bezel on a rubber strap.

Condition: Excellent with one light polish, Mint condition (second watch)
Bezel type: Original & Ceramic
Strap type: Rubber
First bezel replaced: Last service

Posted at

Jan 8, 2026, 7:08 PM

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Omega Seamaster Diver 300M Green Dial – 2025 Like New, Partially Stickered – Ref. 210.30.42.20.10.001

Omega - 210.30.42.20.10.001 · $5,200

The listing is for an Omega Seamaster Diver 300M with a green dial, described as like new and partially stickered.

Condition: Like New, Partially Stickered
Images: [https://imgur.com/a/xenK7E3](https://imgur.com/a/xenK7E3)

Posted at

Jan 8, 2026, 6:25 PM

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Omega Seamaster Professional 300M - 36mm - Black No Wave - 212.30.36.20.01.002

Omega - 212.30.36.20.01.002 · $2,695

The Omega Seamaster Professional 300M is a mid-size watch in black with a 36mm diameter and 18mm lug to lug, suitable for smaller wrists.

Condition: Great overall shape, minimal scratching around the piece
Size: 36mm diameter
Lug To Lug: 18mm

Posted at

Jan 8, 2026, 6:13 PM

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Omega Seamaster Titanium 41.5mm - 18k Gold Bezel - 2297.80

Omega - 2297.80 · $2,395

Beautiful vintage Omega Seamaster with an 18k gold bezel and great blue wave dial.

Condition: Decent shape with dings and scratches
Case Size: 41.5mm
Bezel Material: 18k gold
Dial Color: Blue

Posted at

Jan 8, 2026, 6:07 PM

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2025 Omega Seamaster Diver 300M “Barcelona’s Cup” Ref. 210.32.42.20.04.002 - Box + Papers

Omega - 210.32.42.20.04.002 · $7,500

2025 Omega Seamaster Diver 300M 'Barcelona's Cup' Ref. 210.32.42.20.04.002

Box and papers included: true

Posted at

Jan 8, 2026, 4:27 PM

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2018 OMEGA Seamaster Planet Ocean PyeongChang Limited Edition 522.32.44.21.03.001 - Full set

OMEGA - 522.32.44.21.03.001 · $5,898

A limited edition Seamaster Planet Ocean 600M created for the 2018 Olympic Winter Games, featuring a bold and sporty design with elegant luxury presence, available in two different strap options.

Condition: Very good pre-owned condition with little signs of wear, including a barely visible imperfection on the crystal just to the left of the date window.
Case material: Stainless steel
Strap options: Blue rubber strap with red accents and stainless steel bracelet
Water resistance: 600M

Posted at

Jan 8, 2026, 2:14 PM

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Omega Seamaster Professional 300M Automatic (Bond Era) – Ref. 2531.80

Omega - 2531.80 · $2,300

This Omega Seamaster Professional 300M automatic watch features a blue wave dial and is from the Bond-era. It has an original mechanical movement, runs smoothly, and keeps time.

Condition: Pre-owned with normal wear consistent with age
Movement: Automatic mechanical
Crystal type: Sapphire crystal
Case condition: Normal wear consistent with age

Posted at

Jan 8, 2026, 1:54 PM

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