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

[US] Omega Seamaster SMP300 Titanium NTTD - 210.92.42.20.01.001 - On NATO - Full Set

Omega - 210.92.42.20.01.001 · $6,850

This Omega Seamaster SMP300 Titanium NTTD is a high-end watch that features perfect mechanical function and comes in full set packaging.

Condition: Fantastic condition
Case condition: minor hairlines on case
Box and papers included: true

Posted at

Nov 2, 2025, 6:19 PM

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2000s Omega Seamaster Aqua Terra Railmaster 36mm ref. 2504.52

Omega - 2504.52 · $5,700

A 2000s Omega Seamaster Aqua Terra Railmaster 36mm with a stainless steel case and black dial. The watch features an automatic movement, Super-LumiNova lume, and a sapphire crystal.

Condition: Normal wear in the form of a few hairlines, faint scratches, and tiny nicks throughout, some micro patina on hands
Case Material: Stainless steel
Diameter: 36 mm
Lug Width: 19 mm

Posted at

Nov 2, 2025, 4:51 PM

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Omega Seamaster 300 233.30.41.21.01.001 - Full Kit

Omega - 300 233.30.41.21.01.001 · $4,000

A complete Omega Seamaster 300 set, featuring an Omega 8400 Co-Axial movement and 300m water resistance, housed in a 41mm case.

Movement: Omega 8400 Co-Axial
Crystal: Sapphire
Water resistance depth rating: 300m

Posted at

Nov 2, 2025, 4:18 PM

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Omega Seamaster Diver 300M “Black No-Wave” 41MM Stainless Steel 212.30.41.20.01.003

Omega - 212.30.41.20.01.003 · $3,899

This Omega Seamaster Diver 300M 'Black No-Wave' is an iconic timepiece that marked the move to a ceramic bezel, featuring a smooth black lacquer dial without the trademark wave pattern.

Condition: Excellent pre-owned
Case diameter: 41mm
Box and papers included: yes

Posted at

Nov 2, 2025, 3:57 PM

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[US] Omega Seamaster SMP300 Titanium NTTD - 210.92.42.20.01.001 - On NATO - Full Set

Omega - 210.92.42.20.01.001 · $6,850

This Omega Seamaster SMP300 Titanium is a NTTD model, available for purchase.

Condition: Fantastic with minor hairlines on case
Case condition: minor hairlines
Includes: watch, outer box, inner leather roll, user manual, triple cards

Posted at

Nov 2, 2025, 2:34 PM

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Omega Seamaster Summer Blue $4999

Omega - 234.30.41.21.03.002 · $4,999

The Omega Seamaster 300 is a modern vintage-inspired diver with a 41mm blue dial and bezel, featuring sandwich lume and the METAS-certified 8912 movement.

Condition: new condition
Case size: 41mm diameter
Movement: METAS-certified 8912 movement

Posted at

Nov 2, 2025, 2:23 PM

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[US] Omega Seamaster SMP300 -Blue Dial - 210.32.42.20.03.001 - Full Set

Omega - 210.32.42.20.03.001 · $4,250

Up for sale is an Omega Seamaster SMP300 -Blue Dial - 210.32.42.20.03.001 - Full Set Watch functions perfectly mechanically, without issue.

Condition: Fantastic condition with minor hairlines
Case condition: minor hairlines on clasp and case
Accessories included: box (inner & outer), microfiber bag, card holder, pictogram card, master chronometer card, warranty card

Posted at

Nov 2, 2025, 2:21 PM

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1969 Omega Seamaster Chronostop Dual Crown Ref. 145.008 Cal. 865 | $1,500

Omega - 145.008 · $1,500

A 1969 Omega Seamaster Chronostop Dual Crown watch made in a limited production run with only two references, the 145.007 and 145.008. This example features a rotating bezel for diving time and comes with an acrylic crystal and manual wind movement Omega 865, 17 jewels, 21,600 bph.

Condition: Honest wear throughout with light case scratches and dial aging.
Case Size: 41 x 47 mm (13 mm thickness)
Crystal: Acrylic, great condition
Movement: Omega 865, manual wind, 17 jewels, 21,600 bph

Posted at

Nov 2, 2025, 12:07 PM

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