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 Professional America’s Cup 2533.50 – 41mm White Gold Bezel – LE 40/9999 – 2024 Serviced 💥 – $1,999 Shipped

Omega - 2533.50 · $1,999

This is the Omega Seamaster America's Cup (Ref. 2533.50), a limited edition example numbered 40 of 9999. It features a 41mm stainless steel case, solid white gold bezel, and a black wave dial with America's Cup insignia.

Condition: Excellent overall with light wear
Case size: 41mm diameter
Water resistance: 300m
Movement certification: chronometer-certified

Posted at

Dec 29, 2025, 9:25 PM

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2025 Omega Seamaster Diver 300M 42mm White Dial 210.30.42.20.04.001 | Complete Set

Omega - 210.30.42.20.04.001 · $4,700

A 2025 Omega Seamaster Diver 300M in excellent condition, complete with accessories and a fully linked bracelet.

Condition: Excellent, with only a few faint hairline marks on the clasp
Movement: Omega 8800
Bracelet size: Fully linked
Wrist fit: Up to approximately an 8.25 inch wrist

Posted at

Dec 29, 2025, 7:37 PM

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Brand New 2025 Omega Seamaster Reference 21030422001010

Omega - 21030422001010 · $6,250

Brand new Omega Seamaster reference 21030422001010 with box and cards. Some stickers are still intact.

Condition: Brand New
Year: 2025
Shipping method: FedEx

Posted at

Dec 29, 2025, 6:18 PM

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12 Days of Christmas 🎄 | Day 5/12 | Omega Seamaster Diver 300M - 42mm 🌊

Omega - 210.30.42.20.03.001 · $4,600

The Omega Seamaster Diver 300M is a watch designed for water, engineered to withstand pressure and thrive in the element.

Condition: unworn
Case size: 42mm diameter
Bezel material: blue ceramic
Dial description: blue ceramic laser-engraved wave dial

Posted at

Dec 29, 2025, 6:15 PM

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12 Days of Christmas 🎄 | Day 5/12 | Omega Seamaster Planet Ocean Titanium - 42mm 🌊

Omega - Planet Ocean · $5,500

A Omega Seamaster Planet Ocean Titanium in 42mm, this listing is part of a 12-day sale.

Posted at

Dec 29, 2025, 5:35 PM

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Omega Seamaster Aqua Terra Worldtimer | 220.10.43.22.03.001 | Blue Dial | 43mm | Full Set

Omega - 220.10.43.22.03.001 · $6,900

The Omega Aqua Terra Worldtimer features a laser ablated world map dial and is powered by the Master Chronometer Worldtimer movement, allowing for global time tracking while being wearable on the wrist.

Condition: Very good
Case size: 43mm diameter
Bracelet condition: minor hairlines consistent with careful use

Posted at

Dec 29, 2025, 11:45 AM

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Omega Seamaster Planet Ocean 2200.51 2010 Full Set $2,999

Omega - 2200.51 · $2,999

2010 Omega Seamaster Planet Ocean with box and cards, dated from 2010.

Condition: Good timegrapher numbers, last service unknown
Year: 2010
Set: Full set with box and cards

Posted at

Dec 29, 2025, 10:22 AM

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Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – “Big Size” 💥 – $2,349 Shipped

Omega - 2200.50 · $2,349

This Omega Seamaster Planet Ocean is a 45.5mm Co-Axial watch that shows heavy, honest wear throughout. It has a dent on the crown side of the case and a missing bezel click spring.

Condition: Fair / well-used
Case size: 45.5mm
Bracelet size: 7.75-8.0 inches
Dial condition: clean

Posted at

Dec 28, 2025, 9:37 PM

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Omega Seamaster “Seaweed” 210.32.42.20.10.001 - FULL SET - Near Mint

Omega - 210.32.42.20.10.001 · $4,750

The Omega Seamaster Diver 300M 'Seaweed' watch is a beautiful and functional timepiece designed for both men and women, featuring a green bezel, ocean wave dial pattern, and a stainless steel case.

Condition: Near Mint, great condition mechanically and cosmetically with some signs of wear
Movement: mechanical automatic
Water Resistance: up to 300m
Case Size: 42mm

Posted at

Dec 28, 2025, 8:09 PM

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