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Seiko Prospex Oddly Octagonal SPB485J1 — a mechanical diver's watch built for serious wearers. The 6R55 automatic caliber delivers 72 hours of power reserve with manual-wind convenience. At 41.3mm, it sits confidently on the wrist with commanding presence.
300m water resistance and a screw-down crown make it genuinely capable underwater. Sapphire crystal with anti-reflective coating cuts glare. Stainless steel construction ages beautifully — a tool watch that becomes a heirloom.
LumiBrite on the hands and markers ensures legibility in low light. Stop-seconds function for precise time-setting. Unidirectional rotating bezel locks in dive intervals. This is Seiko's engineering language: purposeful, unadorned, utterly reliable.
A watch that earns its place in your collection through daily performance, not marketing promises.
Seiko Prospex Oddly Octagonal SPB485J1
$919.36 USD
300m water resistance and a screw-down crown make it genuinely capable underwater. Sapphire crystal with anti-reflective coating cuts glare. Stainless steel construction ages beautifully — a tool watch that becomes a heirloom.
LumiBrite on the hands and markers ensures legibility in low light. Stop-seconds function for precise time-setting. Unidirectional rotating bezel locks in dive intervals. This is Seiko's engineering language: purposeful, unadorned, utterly reliable.
A watch that earns its place in your collection through daily performance, not marketing promises.
Packaging: supplied in standard Seiko packaging. This applies to all models, including Special and Limited Editions.