- Make: Omega
- Model: Seamaster
- Reference: 210.30.42.20.01.002
- Diameter: 42 mm
- Case material: Steel
- Dial color: Black
- Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
- Bezel Type: Unidirectional rotating bezel
- Bezel Color: Silver
- Bezel Material: Ceramic
- Calibre: 8806
- Movement: Self Winding
- Power Reserve: 55 hours
- Bracelet Material: Steel
- Buckle type: Foldover clasp
- Functions: Anti‑magnetic, Chronometer, Date, Helium escape valve, Master Chronometer Certified, Screw‑in crown, Unidirectional rotating bezel
- Water resistance: 300 m
In line with the brand’s deep connection to the sea, OMEGA is a proud partner to Nekton, a not-for-profit research foundation committed to the protection and management of the world’s oceans.
This 42 mm Seamaster Diver 300M, released in support of Nekton, has a polished-brushed stainless steel case and laser ablated black ceramic [ZrO2] dial, matt finished with polished waves in positive relief. The uni-directional rotating bezel is in grade 5 titanium and features a laser ablated diving scale.
The caseback, embossed with the Nekton submarine medallion, is oriented with OMEGA’s innovative NAIAD LOCK. On this model, a stainless steel bracelet gives the divers’ watch a dressier look.
Powering OMEGA’s tribute to Nekton is the exceptional Master Chronometer Calibre 8806. Tested and approved at the industry’s highest level




















1 review for Seamaster Diver 300M 42 mm, steel on steel