Ref. SBDX025
The Grand Seiko Sport Collection Diver 300M 44.2mm (reference SBDX025) is a 44.2mm stainless steel with a automatic movement and 300m of water resistance. It carries a black dial. On the secondary market it typically trades between $3,800 and $5,500.
Confirmed secondary-market sales WristWorth has tracked for this reference.
Grand Seiko was born in 1960 with a single ambition: create the world's best practical wristwatch. The result was a line of watches with finishing standards that rival anything from Switzerland — Zaratsu polishing creates distortion-free mirror surfaces that take years to master. The Spring Drive movement (1999) is unlike anything else in horology: a mechanical mainspring drives a glide wheel regulated by an integrated circuit, producing a sweep second hand with zero stutter. Grand Seiko dials are miniature landscapes — the Snowflake (SBGA211) textures recall powder snow on the mountains of Shinshu. Increasingly recognized by Western collectors, Grand Seiko offers extraordinary craft at prices well below comparably finished Swiss competitors.
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On the secondary market the Grand Seiko Sport Collection Diver 300M 44.2mm (reference SBDX025) typically trades between $3,800 and $5,500, with a midpoint around $4,500. Actual prices vary with condition, box/papers, and demand.
The SBDX025 runs a automatic movement, with roughly 72 hours of power reserve.
The SBDX025 has a 44.2mm Stainless Steel case, water resistant to 300m, with a black dial.
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