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鈥檚 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鈥檚 as robust as it is reliable. This movement is actually Omega鈥檚 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鈥檙e 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 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 馃敟$12,500馃敟

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 馃敟$12,500馃敟

OMEGA - 215.30.46.21.03.002 $12,500
The OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 is a commercially available version of the watch originally developed for the Five Deeps Expedition, featuring water-resistance to an astounding 6,000 meters and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: UNWORN
  • Water resistance: 6000m depth rating
  • Case size: 45.5mm diameter
  • Material: O-MEGASTEEL
Posted at
Jan 16, 2026, 8:15 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 馃敟$4,250馃敟

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 馃敟$4,250馃敟

OMEGA - 232.32.42.21.01.003 $4,250
The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

  • Condition: VERY GOOD, few superficial scratches on case
  • Case size: 42mm
  • Water resistance: 600 meters (2000 feet)
  • Movement: Co-Axial Caliber 8500
Posted at
Jan 16, 2026, 8:06 PM
Active
[WTS] OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 馃敟$11,000馃敟

OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 馃敟$11,000馃敟

OMEGA - 225.12.43.50.01.001 $11,000
  • Condition: UNWORN
  • Case size: 43mm
  • Movement: Co-Axial Calibre 3113 automatic movement
Posted at
Jan 16, 2026, 7:48 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 馃敟$10,250馃敟

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 馃敟$10,250馃敟

OMEGA - 220.10.43.22.03.002 $10,250
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 capturing the essence of a perfect day at sea with laser-ablated texture and depth.

  • Condition: VERY GOOD - some light scratches on case and bracelet
  • Case size: 43mm diameter
  • Bracelet length: ~7 inch
  • Contents: ULTIMATE SET - includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt
Posted at
Jan 16, 2026, 7:18 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,500馃敟

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,500馃敟

OMEGA - 220.10.38.20.13.003 $6,500
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and a polished and brushed bracelet with rounded links.

  • Condition: UNWORN
  • Case size: 38mm
  • Material: stainless steel
  • Bracelet type: polished and brushed
Posted at
Jan 16, 2026, 6:38 PM
Active
[WTS] Omega Seamaster Professional SMPc, non-wave, box, manual, tag, and pictogram

Omega Seamaster Professional SMPc, non-wave, box, manual, tag, and pictogram

Omega - SMPc $2,950
This Omega Seamaster Professional SMPc is the previous generation model, known for its comfortable proportions and non-wave dial. It features a 41mm diameter case and has been worn sparingly by its owner.

  • Condition: Pre-owned with signs of wear
  • Diameter: 41mm
  • Wrist size compatibility: 7.25 inches
Posted at
Jan 16, 2026, 6:37 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$8250馃敟

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$8250馃敟

OMEGA - 522.21.42.20.04.001 $8,250
The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case with stainless steel and 18K Moonshine Gold. The watch has a white ceramic dial, laser-structured diving scale, and custom typography on the date disc.

  • Condition: UNWORN
  • Case size: 42mm diameter
  • Movement: Calibre 8800 Master Chronometer
  • Depth rating: 300m
Posted at
Jan 16, 2026, 5:46 PM
Active
[WTS] 2025 Omega Seamaster Professional Diver 300M Seaweed 210.30.42.20.10.001 Complete Set w/Box, Papers, Warranty

2025 Omega Seamaster Professional Diver 300M Seaweed 210.30.42.20.10.001 Complete Set w/Box, Papers, Warranty

Omega - 210.30.42.20.10.001 $4,995
2025 Omega Seamaster Professional Diver 300M Seaweed, a stainless steel diver's watch featuring a 42mm case size, unidirectional rotating ceramic bezel, and METAS-certified Co-Axial Master Chronometer Caliber 8800 movement.

  • Condition: Pre-Owned with minor signs of wear
  • Collection: Omega Seamaster Diver 300M
  • Case size: 42mm diameter
  • Bezel type: Unidirectional rotating ceramic with green enamel diving scale
Posted at
Jan 16, 2026, 4:31 PM
Active
[WTS] Omega Seamaster 120M 2501.81 ($1199)

Omega Seamaster 120M 2501.81 ($1199)

Omega - 2501.81 $1,199
This Omega Seamaster 120M is for sale as the seller recently purchased it but has lost interest.

  • Condition: Great condition with no major scratches, unknown service history
  • Service History: Unknown
Posted at
Jan 16, 2026, 1:52 PM
Active