SPB323J1
The Seiko Prospex SPB323J1 Sumo Diver combines rugged durability with refined design. Powered by the automatic Caliber 6R35 with a 70-hour power reserve, it features a 45mm stainless steel case with super hard coating, dark grey dial, and ceramic one-way rotating bezel. With 200m water resistance, screw-down crown, sapphire crystal, and Lumibrite hands and markers, this diver’s watch is built for adventure above and below the surface.
Movement
Movement Type: Automatic with manual winding
Jewels: 24
Functions:
Date display
Stop seconds hand function
Dial & Hands
Dial Colour: Not specified (please confirm for SEO)
LumiBrite: On hands and indexes (assumed standard)
Case
Case Diameter: 45.0 mm
Case Thickness: 13.4 mm
Case Length (Lug-to-lug): 52.6 mm
Case Material: Stainless steel (Super Hard Coating)
Crystal Type: Sapphire crystal
Bezel: Unidirectional rotating bezel
Crown: Screw-down crown
Case Back: Screw case back
Strap/Bracelet
Band Material: Stainless steel
Clasp: Three-fold clasp with secure lock
Durability
Water Resistance: 200 meters (20 BAR)
