Replica Omega Seamaster Chronograph 215.30.46.51.03.001

This replica Seamaster 215304 houses a chronograph complication inside a 45.5mm Planet Ocean case, making it one of the largest and most functionally complex watches in the Seamaster family. The blue dial with three sub-registers at 3, 6, and 9 o’clock provides running seconds, 30-minute counter, and 12-hour totalizer respectively. The 215-series reference number identifies this as a Planet Ocean Chronograph with a co-axial column-wheel movement in the genuine version, placing it above time-only Planet Oceans in both size and mechanical ambition.

Build Details

• Case diameter: 45.5mm
• Case material: stainless steel
• Dial: blue with three chronograph sub-registers
• Bezel: unidirectional, ceramic with liquidmetal minute scale
• Crystal: sapphire with anti-reflective coating
• Bracelet: stainless steel with diver’s extension clasp
• Movement: automatic chronograph
• Functions: hours, minutes, small seconds, date, chronograph (30 min + 12 hr), rotating dive bezel

The column-wheel chronograph design provides a crisper pusher feel than a cam-operated alternative. The pushers themselves sit at 2 and 4 o’clock with guards that prevent accidental activation during a dive.

What Collectors Notice

Planet Ocean Chronographs attract buyers who want dive capability and timing function in one case. The 45.5mm diameter means this is not a subtle watch, but the proportions work because the chronograph sub-dials and the dive bezel fill the dial space efficiently. The blue dial version matches the ocean-themed palette that defines the Planet Ocean identity. Compared to the simpler blue 44mm 210.30.44.51.03.001 time-only version, the chronograph adds the stopwatch function but also adds 1.5mm of case diameter. Both are part of the Seamaster range, serving different levels of wrist-tool complexity.

This vs Other Versions

The Seamaster chronograph occupies a specific niche for collectors who find a standalone dive timer insufficient. The 30-minute counter handles most timed activities, while the 12-hour totalizer extends to longer intervals. The steel bracelet and diver’s extension clasp keep it anchored as a sport watch rather than a dressy chronograph. At 45.5mm it commands wrist space, but the weight distribution across the bracelet keeps it balanced during extended wear. This replica Seamaster 215304 puts the full chronograph-diver package into one case for buyers who want maximum function per square millimeter.

Product description adapted from the authorised reference catalogue. Specifications in this description refer to the source listing; confirm details for your selected variant.