Omega Seamaster Seamaster Chronograph

Reference ST 176.007

Omega Seamaster Chronograph

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
60

Current Listings

[wts] Omega Seamaster Planet Ocean Chronograph 9300 Orange 45.5mm 232.32.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 9300 Orange 45.5mm 232.32.46.51.01.001

Omega - 232.32.46.51.01.001 · $4,500
This Omega Seamaster Planet Ocean Chronograph features a 45.5mm diameter case and an orange strap that was swapped for black.

  • Case size: 45.5mm diameter
  • Band swap: orange to black
Posted at
Apr 3, 2026, 8:52 PM
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[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600
The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial with laser-ablated texture, surrounded by a 24-hour glass ring indicating day and night.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm diameter
  • Bracelet length: ~7 inches pre-sized
Posted at
Apr 3, 2026, 8:52 PM
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[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, 38mm stainless steel case, and Co-Axial Master Chronometer Calibre 8800.

  • Condition: UNWORN
  • Case size: 38mm
  • Water resistance: 150m
  • Bracelet length: ~7 inches pre-sized
Posted at
Apr 3, 2026, 8:49 PM
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[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900
The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel with OMEGA's exclusive 18K Moonshine Gold.

  • Condition: UNWORN
  • Case material: stainless steel with 18K Moonshine Gold
  • Bezel: laser-structured diving scale in positive relief
  • Dial finish: matte finished with polished waves
Posted at
Apr 3, 2026, 8:48 PM
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[WTS] Omega Seamaster 300M Seaweed Green Wave Bracelet & Rubber Boxed Set Ref 210.30.42.20.10.001 SUPER CLEAN & PRICED TO MOVE

Omega Seamaster 300M Seaweed Green Wave Bracelet & Rubber Boxed Set Ref 210.30.42.20.10.001 SUPER CLEAN & PRICED TO MOVE

Omega - 210.30.42.20.10.001 · $4,750
The Omega Seamaster 300M features a stunning wave dial in Seaweed Green, paired with a matching green ceramic bezel and a 42MM stainless case. It comes with its original Omega bracelet and a matching green rubber strap.

  • Condition: Super clean, some very light scratches seen under macro
  • Case diameter: 42MM
  • Movement caliber: 8800
  • Bracelet material: stainless steel
Posted at
Apr 3, 2026, 8:17 PM
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[WTS] Omega Seamaster Diver 300m

Omega Seamaster Diver 300m

Omega - 300M · $3,950
Up for sale is my Omega Seamaster Diver 300M in the gray dial/blue bezel configuration. It comes on the blue OEM rubber strap and looks brand new on the wrist.

  • Condition: LNIB/near-mint
  • Case material: unknown
  • Water resistance: 300m
Posted at
Apr 3, 2026, 3:23 PM
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[WTS] Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition

Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition

Omega - 220.10.38.20.01.001 · $3,950
A super clean, versatile piece that works just as well dressed up as it does daily.

  • Condition: Excellent (minor wear)
  • Case size: 38mm
  • Movement: Co-Axial Master Chronometer (Caliber 8800)
  • Power reserve: ~55 hours
Posted at
Apr 3, 2026, 1:36 PM
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[WTS] Omega Seamaster Automatic Chronometer Officially Certified Ref 168.024 on BoR Bracelet | Great Condition (Serviced) | $1300

Omega Seamaster Automatic Chronometer Officially Certified Ref 168.024 on BoR Bracelet | Great Condition (Serviced) | $1300

Omega - 168.024 · $1,300
The Omega Seamaster Automatic Chronometer Ref 168.024 is a mid-century design created during the 1960s that blends technical excellence with timeless style. It features a 35mm stainless steel case with a classic Seamaster proportions paired with its original steel beads-of-rice bracelet. The watch has a clean silver tone dial with a date window at 3 o'clock and is powered by the chronometer-certified Omega Caliber 564 automatic movement.

  • Condition: Great serviced condition with minor scratches and patina spots
  • Case size: 35mm
  • Bracelet length: up to 18.5 cm (7.2 inches)
  • Movement: chronometer-certified Omega Caliber 564 automatic movement
Posted at
Apr 3, 2026, 1:11 PM
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[WTS] Omega Seamaster Diver 300M Professional 300m 2542.80.00 41mm

Omega Seamaster Diver 300M Professional 300m 2542.80.00 41mm

Omega - 2542.80.00 · $1,800
This Omega Seamaster Diver 300M Professional is a distinctly turn-of-the-millennium edition with a printed dial configuration recalling earlier classic styles of the era. The dial features a marine grey blue hue paired with custard colored patina markers, and it has been well maintained despite its age.

  • Condition: Used with clear wear and light hand polish and scratches throughout
  • Case size: 41mm diameter
  • Water resistance: 300m depth rating
  • Bracelet length: 7.8in total length
Posted at
Apr 3, 2026, 12:07 PM
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