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

Omega Seamaster 300 - Bond - 007 - No Time To Die - NTTD ( new / 2025 )
This listing is for a brand new Omega Seamaster 300 James Bond No Time To Die (NTTD) reference # 210.90.42.20.01.001, a limited edition watch featuring a 42mm titanium case.
- Condition: Brand New
- Case material: Titanium
- Case size: 42mm
![[WTS] YOU THE NEXT BOND? Omega Seamaster 300 James Bond 50th Anniversary Limited Edition Full Collector Set](https://preview.redd.it/e4hz1o7psz5f1.jpg?width=640&crop=smart&auto=webp&s=72608b7415f6ad20bb6693e329c9d0f99c3870a3)
YOU THE NEXT BOND? Omega Seamaster 300 James Bond 50th Anniversary Limited Edition Full Collector Set
A limited edition Omega Seamaster 300 James Bond 50th Anniversary watch, part of a collector's set that includes an outer box, inner box, 007 travel case, and other accessories. The watch features a black dial with gold accents and a PVD ceramic bezel.
- Condition: Near mint with light wear throughout
- Case Diameter: 42mm
- Movement: Omega automatic Co-Axial Master Chronometer cal 8800
- Depth Rating: 30m water resistance
![[WTS] Omega Seamaster 300 Heritage Black - $3,800 - Los Angeles -](https://preview.redd.it/lm6z0y5q5x5f1.jpg?width=640&crop=smart&auto=webp&s=aba096c065f5dcc8f2b25031f8984e088e26e968)
Omega Seamaster 300 Heritage Black - $3,800 - Los Angeles -
This Omega Seamaster 300 Heritage Black is a one-owner watch sold by the original owner. It was purchased from an authorized dealer and has never been polished.
- Condition: 1 owner, never been polished
- Location: Los Angeles - 90048
- Shipping: available
(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.
- Status: (SOLD)

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )
This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.
- Condition: Brand new
- Case size: 42mm
- Movement: 8806 Master Co-Axial

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )
This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: Master Co-Axial

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.
- Condition: Very Good (VG)
- Case size: 43.5mm
- Material: Black Ceramic and 18K Gold

Omega Seamaster 300M - 210.32.42.20.03.001
This Omega Seamaster 300M is a high-end diving watch with a 42mm case size and 300m water resistance rating. It features a very good condition, minor-wear-only case with perfect front and back sapphire crystals.
- Condition: Very good condition
- Case Size: 42mm
- Water Resistance Rating: 300m (1000 ft.)
- Depth Rating: 300m depth rating