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

Omega Seamaster 300M - Summer Blue - 42mm - 210.32.42.20.03.002 ( new / 2024 )
This Omega Seamaster 300M is a 42mm stainless steel watch featuring a Summer Blue dial and diver strap, complete with all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 42mm
- Movement type: 8800 Master Co-Axial Movement

OMEGA SEAMASTER 300 MASTER CHRONOMETER Black
This Omega Seamaster 300 features a black bezel, black dial, and is water-resistant to 300m with a 60 hour power reserve. It has an in-house master coaxial movement and comes on a new style Omega bracelet with microadjustment.
- Condition: Excellent
- Movement: in-house master coaxial 8400
- Water resistance: 300m
- Power reserve: 60 hours

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
This Omega Seamaster 300 is a brand new timepiece with a black wave dial, featuring a 42mm stainless steel case and the Master Co-Axial Movement. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated January 2025.
- Condition: Brand new
- Case Size: 42mm
- Movement: 8800 Master Co-Axial

1970s Omega Seamaster Ploprof Ref: 166.077
This is a 1970s Omega Seamaster Ploprof with a 50mm stainless steel case and an aged Seamaster dial with earthy yellow lume.
- Condition: Pre-owned with wear from use
- Case size: 50mm diameter
- Bezel condition: worn with some cracks
- Dial condition: aged with some Tritium lume still intact
Omega Seamaster Diver 300m All Black Black 210.92.44.20.01.003
A Omega Seamaster Diver 300m in all black, described as having no imperfections on the ceramic.
- Condition: like new
- Warranty: 1 year

Omega Seamaster 300M - Black Dial - Diver - 210.32.42.20.01.001 ( new / 2024 )
Up for sale is a brand new Omega Seamaster 300 42mm Black Wave Dial on Rubber Strap, reference # 210.32.42.20.01.001.
- Condition: Brand new
- Case material: Stainless Steel
- Movement type: Master Co-Axial
Omega Seamaster Diver 300 M Certified Paris 2024 18k Moonshine Gold Steel 42mm
The Omega Seamaster Diver Paris 2024 features a stainless steel case, 18k Moonshine Gold bezel, and crew down crown. It has a white dial and is powered by an Omega Automatic Co-Axial 8800 movement.
- Condition: pre-owned (excellent condition)
- Case material: stainless steel
- Bezel material: 18k Moonshine Gold
- Water resistance: 300m/1000ft
Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)
A 42MM Omega Seamaster 300M Blue with all functions working properly and included accessories.
- Condition: Like new, worn less than a handful of times
- Box And Papers: Complete box and papers, dated May 2022
- Included Accessories: Outer sleeve, outer box, inner box, instruction manual, serialized hangtag, dust bag
Omega Seamaster Diver 300M Chronograph Blue & Grey Wave Dial - 210.30.44.51.06.
This Omega Seamaster Diver 300M Chronograph features a stainless steel case with a grey dial and bold white accents, paired with a matching steel bracelet.
- Condition: Good Condition - Minor wear on the case, bracelet/clasp
- Case size: 44mm diameter
- Material: stainless steel