Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Summer Blue / Bracelet
Reference 234.30.41.21.03.002
About this watch
The Omega Seamaster 300 Master Chronometer 234.30.41.21.03.002 is a masterpiece of luxury watchmaking, boasting a stunning Summer Blue gradient dial that exudes freshness and vibrancy. The round case measures 41.00 mm in diameter and 13.85 mm in height, striking a perfect balance between masculinity and elegance. Crafted from high-grade stainless steel and featuring a ceramic bezel, this watch is built to withstand the rigors of underwater adventures as well as everyday wear. The sapphire crystal provides scratch resistance and clarity that's hard to beat. With its impressive 300 meters of water resistance, this timepiece is a reliable companion for serious divers and water sports enthusiasts alike. At the heart of this masterpiece lies the Omega caliber 8912, an automatic movement that ensures accuracy and reliability with a 60-hour power reserve and a frequency of 25,200 vibrations per hour. METAS-certified, it meets the highest standards of precision and performance. The mixed indexes and arrow hands ensure readability at a glance, even in low light conditions. Whether you're diving into the ocean or diving into your daily routine, this watch is a reliable companion that can handle it all.
Key Features
- Striking Summer Blue gradient dial
- Robust and durable materials (stainless steel, ceramic bezel)
- High water resistance (300m)
- METAS-certified movement for accuracy
- Versatile for both casual and formal wear
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Summer Blue / Bracelet
- Reference
- 234.30.41.21.03.002
- Movement
- 8912
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) W BOX & *OMEGA REFURBISHED*](https://preview.redd.it/4rihm604dw6f1.jpeg?auto=webp&s=595b42768e1c826a6dc09d45d11c2219e1a2f8cf)
1969 Omega Seamaster 300 (Ref. 165.024) W BOX & *OMEGA REFURBISHED*
This is a 1969 Omega Seamaster 300 with a refurbished case and authenticated by Omega, featuring a matte dial with slightly aged lume plot markers.
- Condition: Very good, refurbished by Omega
- Year: 1969
- Case material: not specified
- Calibre: 550
![[WTS] 2024 Omega Seamaster 300M “Panda” 210.30.42.20.04.001 – Full Set | Warranty Until 2029](https://external-preview.redd.it/i_mbHEs4tU-B27nfsxOx4YQezkw48pGTwHr-bRJvzbc.jpeg?auto=webp&s=2edbd9feb985ed0f313c149f425f240dde8b594a)
2024 Omega Seamaster 300M “Panda” 210.30.42.20.04.001 – Full Set | Warranty Until 2029
This 2024 Omega Seamaster 'Panda' features a striking white ceramic dial, contrasting black ceramic bezel, and the unmistakable DNA of the James Bond series.
- Condition: Excellent condition – only very light signs of wear
- Case size: 42mm
- Water resistance: 30m
- Movement: Co-Axial Master Chronometer Caliber 8800

Pre-Owned Omega Seamaster 300 234.30.41.21.01.001
This is a pre-owned Omega Seamaster 300 watch in black, featuring an automatic movement, stainless steel case size of 41mm, and water resistance of 300 meters. The watch comes with its inner and outer box, instruction manual, warranty card, pictogram card, master chronometer card, hangtag, and the one-year Topper Pre-Owned Select warranty.
- Condition: 82% condition, with slight marks on the lugs, bezel, and case, and slight marks on the bracelet links and clasp
- Case Size: 41mm
- Material: Stainless Steel
- Dial Color: Black

Pre-Owned Omega Seamaster 300 233.32.41.21.01.002
This pre-owned Omega Seamaster 300 is in 94% condition due to some cosmetic issues. It features a black dial, stainless steel case, and a water resistance of 300 meters.
- Condition: 94% condition, with faint marks on the bezel and case, minor creasing and faint marks on the clasp
- Movement: Automatic
- Case size: 41mm diameter
- Material: Stainless Steel
Omega Seamaster 300M Co-Axial 44mm Chronograph 212.30.44.50.03.001!
A beautiful Omega Seamaster 300M Co-Axial 44mm Chronograph in pre-owned condition, featuring a stainless steel case and bracelet, unidirectional rotating bezel with ceramic insert, and automatic movement. The watch comes with its original accessories and is mechanically functioning as it should.
- Condition: Pre-owned
- Case Diameter: 44mm
- Water Resistance: 300 Meters
- Power Reserve: 52 Hours
![[WTS] Omega Seamaster 300 Co-Axial Master Chronometer Heritage, Complete set with box and papers. Reference: 234.30.41.21.01.001. Stainless Steel Band](https://external-preview.redd.it/2wM-AWO_JMpvbrZfAt11_RvAVQi29bzCLZApvweyHjw.jpeg?auto=webp&s=bc4bad0c0e1d7ffeeed8aa4cc66108cf0b1dab90)
Omega Seamaster 300 Co-Axial Master Chronometer Heritage, Complete set with box and papers. Reference: 234.30.41.21.01.001. Stainless Steel Band
This Omega Seamaster 300 Heritage is a 2022 model with a stainless steel band and co-axial master chronometer movement.
- Condition: Very good condition
- Case Material: Stainless Steel
- Bracelet Condition: Some light marks
- Crystal Condition: Slight scratch on anti-reflective coating

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( new / 2025 )
A brand new Omega Seamaster 300 with a 42mm stainless steel case and blue dial, featuring an 8800 Master Co-Axial movement.
- Condition: Brand New
- Case material: stainless steel
- Movement type: Master Chronometer
![[WTS] Omega Seamaster 300M Diver 18k Gold - Steel 2022 Excellent Condition Box&Papers](https://external-preview.redd.it/My30kO2lPj_iR5KHRGEf2TtIMI-hz772sUwQ1OCaAeI.jpeg?auto=webp&s=b33c17708d23e905ed78464bd70019ea220634b2)
Omega Seamaster 300M Diver 18k Gold - Steel 2022 Excellent Condition Box&Papers
A stunning Omega Seamaster Diver 300M in stainless steel and 18K yellow gold, featuring a sleek black ceramic wave-pattern dial and matching ceramic bezel. This 42mm model combines luxurious design with robust dive watch functionality.
- Condition: Excellent pre-owned condition
- Case material: stainless steel and 18K yellow gold
- Diameter: 42mm
- Movement caliber: Co-Axial Master Chronometer Caliber 8800
![[WTS] Omega Seamaster 300M Co-Axial 44mm Chronograph 212.30.44.50.03.001!](https://preview.redd.it/qg7gyj2dtc6f1.jpg?width=640&crop=smart&auto=webp&s=1f94ff8211d7fb3463a8dafc8db018b67d1b6314)
Omega Seamaster 300M Co-Axial 44mm Chronograph 212.30.44.50.03.001!
This Omega Seamaster 300M Co-Axial Chronograph features a 44mm stainless steel case, blue dial, and automatic movement.
- Condition: Pre-owned, with typical cosmetic wear
- Band material: Stainless Steel
- Case diameter: 44mm
- Water resistance: 300 Meters