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.
Buy Now on Jomashop
This is an affiliate link
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] 1967 Omega Seamaster Cosmic. Ref. 135.017, Cal. 601](https://external-preview.redd.it/NMzqe5x5bYyQw8-jMCVex-BTkVlliimOkMEvONiE2-Q.jpeg?auto=webp&s=0725cd809a2e4aeee079fbef441ed94f6276fcf6)
1967 Omega Seamaster Cosmic. Ref. 135.017, Cal. 601
A vintage Omega Seamaster Cosmic from 1967, powered by the manual-wind Cal. 601 movement, in a stainless steel unishell case.
- Condition: Used with minor wear and staining
- Case size: 35mm diameter
- Movement type: Manual wind
![[WTS] 1961 Omega Seamaster w/ Spotted Patina Dial. Ref. 14384 SC-61, Cal. 610](https://external-preview.redd.it/9CdwDj407vhYV5lmE9gFxHhwySd_u7QiLPqKmUOAPlU.jpeg?auto=webp&s=20131d3c6e1eb47c641bf2db349bd0e99fc739b7)
1961 Omega Seamaster w/ Spotted Patina Dial. Ref. 14384 SC-61, Cal. 610
A 1961 Omega Seamaster with a silver dial and manually-wound Calibre 610 movement, recently serviced.
- Condition: pre-owned, minor wear consistent with age
- Case size: 35mm diameter
- Crystal type: acrylic
- Movement caliber: Calibre 610
![[wts] NEAR MINT Omega Seamaster Planet Ocean 8500 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet](https://external-preview.redd.it/7HR4a6xyuMRTPnMuwMlnKAvnXGUMXBAC7oVSIXI9VIA.jpeg?auto=webp&s=e92388eacc2d61cc20123f3e1c7605039db1a823)
NEAR MINT Omega Seamaster Planet Ocean 8500 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet
This Panerai PAM02020 Radiomir Venti 45mm is a 20th Anniversary of Paneristi edition, featuring a factory warranty valid through DEC 2030.
- Condition: Mint condition
- Warranty Valid Until: 2030-12
- Bracelet Type: OEM mesh bracelet
![[WTS] Omega Seamaster Pre-2018 or Railmaster Uncle Bracelet US1450](https://external-preview.redd.it/uB9kFQivHwTTE7TzIrggvDilEqohXHvbLgS7E777gMo.jpeg?auto=webp&s=a53545299df28af3bc5720b258f2c9594e33f303)
Omega Seamaster Pre-2018 or Railmaster Uncle Bracelet US1450
A used Omega US1450 bracelet with an upgraded double button clasp, suitable for Pre-2018 Seamaster or Railmaster models.
- Retail Price: $160
- Link: https://unclestraps.com/products/us1450-for-omega-seamaster-300m?variant=46340455465193
![[WTS] May 2025 OMEGA Seamaster Aqua Terra Shades 220.10.38.20.03.003 - full kit](https://external-preview.redd.it/g7xmdXGDSMjJhr0aVelebaSW5HDDH8rYP7LdSmJIc9M.jpeg?auto=webp&s=03fe2422e36f13fc75e4a78472d7a82657ec8828)
May 2025 OMEGA Seamaster Aqua Terra Shades 220.10.38.20.03.003 - full kit
The OMEGA Seamaster Aqua Terra Shades is a refined nod to Omega’s maritime roots, pairing everyday versatility with elegant design.
- Condition: virtually new
- Case size: 38mm diameter
- Bracelet type: brushed and polished bracelet

Omega Seamaster Pro 300M SMP 2954.50.91 2254.50 Black Wave Dial "Peter Blake" Sword Hands 41mm Automatic - Full Set! #3621
This Omega Seamaster Pro SMP 300M is a 41mm stainless steel watch featuring a black wave dial, silver numbers, and excellent lume. It has an automatic Omega 1120 movement running within COSC specifications with strong amplitude.
- Condition: Very nice with several light scuffs and scratches, near mint bezel insert, scratch-free crystal, and minor marks on the clasp of the bracelet.
- Bracelet length: 8 1/8"
- Serial number: 80 million
- Movement: Omega 1120
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!](https://preview.redd.it/ych5id5vvyze1.jpeg?auto=webp&s=df465a8990a0eda4774549cc97c0dbdd6ac16f62)
1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!
This is a 1969 Omega Seamaster 300 that has been refurbished by Omega, it comes with an authentication document and new box.
- Condition: very good condition, with slightly aged hands and matte dial
- Calibre: 550
- Case size: 42mm
- Year of production: 1969

MINT OMEGA SEAMASTER DIVER 300M 007 JAMES BOND 60th ANNIVERSARY 2024 FULL SET
This is a 2024 Omega Seamaster Diver 300m 007 James Bond 60th Anniversary Edition watch with a stainless steel case and blue bezel. It features a blue dial and an Omega Co-Axial Master Chronometer 8806 movement with a 55-hour power reserve.
- Condition: Mint, Unpolished Condition
- Movement: Omega Co-Axial Master Chronometer 8806
- Power reserve: 55 hours
- Case size: 42mm
![[WTS] Omega Seamaster Rose Gold Hands/Indices 166.002 with BOR bracelet (Serviced) only for 750$ Shipped 🚢 Via FedEx](https://external-preview.redd.it/LvTKiogn_1WX7T4Gd28dvq0QfVn7H4C3fci-SGpzUQM.jpeg?auto=webp&s=b54054735bb7f7a196906f2a75839b65342a3d79)
Omega Seamaster Rose Gold Hands/Indices 166.002 with BOR bracelet (Serviced) only for 750$ Shipped 🚢 Via FedEx
This Omega Seamaster reference 166.002 from 1963 features a stainless steel case with a 34mm diameter, a good condition dial with rose gold markers and hands, and an automatic movement calibre 562 that has been recently serviced.
- Condition: Good, with hairline scratches and signs of aging on the dial
- Case Size: 34mm diameter
- Bracelet Length: 7.5 inch max
- Movement Calibre: 562