Description
At 44mm, the Seamaster Diver 300M 210.30.44.51.06.001 enters dive-watch territory, and this grey-dial super clone captures the larger case size that Omega reserves for its more tool-oriented references. The grey dial provides a neutral mid-tone between the more common black and blue options in the Diver 300M family. A unidirectional rotating bezel with a ceramic insert and liquidmetal number fill distinguishes this from the Aqua Terra sub-line, signaling the Diver 300M’s deeper water resistance rating.
Key Specifications
- Case diameter: 44mm
- Case material: stainless steel
- Dial: grey with applied luminous indices
- Bezel: unidirectional, ceramic insert with liquidmetal markings
- Crystal: sapphire with anti-reflective coating
- Bracelet: stainless steel with extendable diver’s clasp
- Movement: automatic co-axial
- Functions: hours, minutes, seconds, date, rotating dive bezel
The grey dial sits between the high contrast of black and the visibility challenge of lighter colors, offering a balanced readout under both submerged and surface-level conditions.
Design & Finishing
The 44mm case diameter positions this Diver 300M as a statement piece that works best on wrists 18cm and above. The case sides carry a mix of brushed and polished surfaces that run along the lug edges, and the helium escape valve at 10 o’clock identifies it immediately as a professional dive instrument. The grey dial omega seamaster diver 300m variant appeals to collectors who already own black and blue versions and want a third rotation option. For the same 44mm case in blue, the 210.30.44.51.03.001 swaps the grey for a deeper tone. Both belong to the Seamaster collection and share identical case geometry.
On the Wrist
Grey dials photograph differently depending on ambient light. In sunlight the tone lightens toward silver, and under artificial light it deepens toward charcoal. That shifting personality makes the watch feel less monotone than a black dial across different settings. The extendable clasp accommodates wearing over a wetsuit or a thick cuff, adding practical range beyond daily desk wear. This 44mm grey Diver 300M delivers the full Diver 300M experience in a color that sits outside the usual black-or-blue decision.
Product description adapted from the authorised reference catalogue. Specifications in this description refer to the source listing; confirm details for your selected variant.












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