SPB301J1
The Seiko Prospex SPB301J1 Glacier Save the Ocean Special Edition Men Watch draws inspiration from glacial ice formations, showcasing a striking white textured dial. Powered by the automatic Caliber 6R35 with a 70-hour power reserve, this diver’s watch features a 42.7mm stainless steel case, curved sapphire crystal, and 200-meter water resistance with a screw-down crown and unidirectional bezel. Lumibrite hands and markers ensure visibility in low light, while the stainless steel bracelet enhances its robust, modern appeal. A special edition that supports Seiko’s Save the Ocean initiative.
Movement
Calibre: 6R35
Type: Automatic with manual winding
Accuracy: –15 /+25 seconds per day
Power Reserve: Approx. 70 hours
Jewels: 24
Functions: Date display, Stop-seconds (hacking)
Dial & Hands
Dial: Glacier-pattern blue/white
LumiBrite: On hands, indexes, and bezel pip
Case
Diameter: 42.7 mm
Thickness: 13.15 mm
Lug-to-lug: 46.35 mm
Material: Stainless steel (super-hard coating)
Crystal: Curved sapphire crystal (AR coating inner surface)
Bezel: Unidirectional rotating
Crown: Screw-down
Case-back: Screw, “SPECIAL EDITION” & serial engraving
Strap/Bracelet
Material: Stainless steel
Clasp: Three-fold clasp with secure lock & push-button release
Durability
Water Resistance: 20 BAR / 200 m
Magnetic Resistance: 4,800 A/m
