At 42mm, the replica Seamaster Diver 300M 210304 42mm 0001 sits in the sweet spot of the current Diver 300M range. The 210.30.42.20.10.001 reference features a full stainless steel construction with a green-toned dial, placing it among the more recent color additions to the lineup. Omega expanded the Seamaster Diver palette beyond the traditional black and blue options, and this green variant has found a following among buyers looking for something less common on the wrist.

Key Specifications

• Case diameter: 42mm
• Case material: stainless steel
• Bezel: unidirectional ceramic with liquid metal scale
• Crystal: domed sapphire with anti-reflective coating
• Dial: ceramic with wave pattern, applied indices
• Bracelet: stainless steel with adjustable clasp
• Water resistance: 300 meters

The ceramic bezel insert uses a liquid metal process to fill the diving scale numerals, creating a smooth surface that resists scratching and fading. This is the same technology used across all current-generation Seamaster Diver bezels.

Design & Finishing

Green dials in dive watches gained momentum after several brands introduced forest and olive tones in their sport lineups. On the Seamaster, the green reads subtle rather than loud, shifting between dark emerald and near-black depending on the light angle. The wave pattern stamped into the ceramic dial adds depth that a flat dial cannot match. The helium escape valve at 10 o’clock and the conical crown at 3 complete the tool-watch aesthetic. For a comparison with a different dial tone, see the 210.30.42.20.04.001 reference, and browse the full Seamaster collection for all available configurations.

On the Wrist

The 42mm case diameter balances presence and comfort. It sits well on wrists from 6.5 to 7.5 inches without looking oversized, and the relatively compact lug-to-lug measurement keeps it from hanging over smaller wrist edges. The bracelet tapers from case width down to the clasp, which gives it a fitted look rather than a slab of steel. Daily wear is comfortable because the overall thickness stays reasonable for a 300-meter dive watch. This replica Seamaster Diver 300M 210304 42mm 0001 delivers a color option that stands apart from the standard black and blue models.