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
- 60
Current Listings
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- Condition: Great condition with minor imperfections, running well and no service needed
- Case material: Grade 2 titanium
- Diameter: 42mm
- Bracelet type: Mesh
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- Condition: Used, with minor scratches and signs of normal wear
- Movement: Automatic Co-Axial Master Chronometer cal 8900
- Bracelet Type: Black rubber strap and brushed/polished stainless steel bracelet (OEM)
- Bracelet Size: 6.5"
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Omega Seamaster Diver Chronograph - Blue Ceramic
This Omega Seamaster Diver Chronograph features a blue ceramic bezel and dial, an integrated date at 10 o'clock, and a chronograph complication powered by the Omega Co-Axial calibre 3330.
- Condition: Unworn, new condition
- Case size: 44mm diameter
- Water resistance: 300m / 1000 feet
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2025 Omega Seamaster Diver 300M 42mm 210.30.42.20.01.001 Stainless Steel Black Dial - $4,250
2025 Omega Seamaster Diver 300M in stainless steel with a black dial, featuring a 42mm diameter case and a 8.75inch wrist size.
- Condition: Excellent overall condition
- Box And Papers: Yes
- Warranty Card Date: February 2025
- Size: 8.75inch wrist diameter
WTS LNIB Omega Seamaster 300 Pro 43.5mm Black Ceramic Titanium Diver Rubber Strap 210.92.44.20.01.001 Complete December 2022
The Omega Seamaster Diver 300M Black Ceramic is a lightweight and stylish diver's watch with a black ceramic case, titanium bezel, and helium escape valve.
- Condition: Like New Condition
- Case material: Black Ceramic
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- Crown material: Titanium
Omega Ranchero Seamaster Ref. 2996/1 – FAP Peruvian Air Force Military – 1961 –
A historically significant and extremely rare Omega Ranchero Seamaster Ref. 2996/1, delivered to the Peruvian Air Force in 1961. This timepiece belongs to a very small batch of Ranchero Seamasters marked 'F.A.P.' on the caseback, denoting its official military issue.
- Condition: Excellent vintage condition
- Movement: Omega manual wind caliber
- Case size: 36 mm diameter
- Dial color: Original black dial with Arabic numerals at 12, 3, 6, 9
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The ultimate Omega Seamaster dress watch of the midcentury, featuring a small seconds subdial in stunning 14k pink gold.
- Condition: fantastic vintage condition, some signs of use on the case
- Case material: 14K Pink Gold
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- Amplitude: 223 amplitude

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Pre-Owned Omega Seamaster Planet Ocean Ultra Deep with automatic movement, 46mm O-MEGASTEEL case, blue dial, and 6,000 meters water resistance.
- Condition: 92% condition, slight marks on sides and back of case, faint marks on a few links
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- Diameter: 46mm
- Water Resistance: 6,000m

Pre-Owned Omega Seamaster Aqua Terra 220.10.41.21.03.001
This pre-owned Omega Seamaster Aqua Terra is a 41mm stainless steel watch with a blue dial and automatic movement. It has a water resistance of 150 meters and comes with various accessories.
- Condition: Pre-Owned, 79% condition with marks on the lugs, bezel, and case, 87% condition for the bracelet
- Case size: 41mm diameter
- Material: Stainless Steel
- Dial color: Blue