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

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Omega - 2252.50 · $2,600

Up for sale is a Omega Seamaster 2252.50 in great condition. This watch measures at 36mm and has the Calibre Omega 1120 Automatic movement.

Condition: 8.8/10
Case size: 36mm diameter
Movement: Calibre Omega 1120 Automatic
Condition rating: 8.8/10

Posted at

May 5, 2026, 9:24 PM

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Omega Seamaster 2531.80 41mm - $2,290

Omega - 2531.80 · $2,290

Up for sale is my very good condition Omega Seamaster 2531.80, a 41mm watch with self-winding movement, in great shape for its age.

Condition: Very good condition
Case size: 41mm diameter
Movement type: self-winding
Bracelet type: original Omega steel bracelet

Posted at

May 5, 2026, 9:21 PM

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OMEGA Seamaster Diver 300M Chronograph Grey Dial 210.30.44.51.06.001

OMEGA - 210.30.44.51.06.001 · $6,295

The Omega Seamaster Diver 300M Chronograph features a 44mm stainless steel case and combines the classic 300M dive-watch design with a Master Chronometer chronograph movement.

Condition: Excellent pre-owned condition
Case size: 44mm
Movement rating: Master Chronometer

Posted at

May 5, 2026, 8:37 PM

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Omega - 2201.51 · $2,995

This Omega Seamaster Planet Ocean is a 42mm everyday diver in great condition, featuring a timegrapher photo and wrist size details.

Condition: Pre-owned, great condition with light wear
Case size: 42mm diameter
Depth rating: 600m

Posted at

May 5, 2026, 5:45 PM

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2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

Omega - 231.10.39.21.02.001 · $3,100

Aqua Terra in perfect size, suitable for everyday wear with any outfit.

Condition: Excellent condition
Case size: 38.5mm diameter

Posted at

May 5, 2026, 3:36 PM

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Omega Seamaster Diver 300M 42mm 210.32.42.20.01.001 | No Box/Papers | Verified Authentic | $3,900

Omega - 210.32.42.20.01.001 · $3,900

This Omega Seamaster Diver 300M features a 42mm stainless steel case, black wave dial, and black ceramic bezel.

Condition: Excellent overall
Case size: 42mm diameter
Dial color: Black
Bezel material: Ceramic

Posted at

May 5, 2026, 3:19 PM

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Omega SMP 300 Seamaster Seaweed Green

Omega - SMP 300 Seamaster Seaweed Green · $4,600

This Omega SMP300 'Seaweed' watch is a full kit including warranty, box, papers, and original receipts. It's offered on OEM green rubber strap.

Condition: pre-owned (worn with care)
Warranty Date: August 29, 2023
Shipping Terms: Zelle F+F preferred, will also accept PayPal F+F

Posted at

May 5, 2026, 3:11 PM

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Omega / Seamaster Planet Ocean / 45.5mm / Full Set

Omega - 232.30.46.21.01.003 · $3,950

This Omega Seamaster Planet Ocean is a high-end watch featuring a 45.5mm case, full set with box and papers, and includes extra links for adjustability.

Condition: Excellent
Case Size: 45.5mm

Posted at

May 5, 2026, 3:09 PM

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