Seiko Prospex Sumo SPB101 Automatic Diver Black Dial // Pre-Owned aikon This 1970 diver's watch proved

This 1970 diver's watch proved its reliability in extreme conditions when it was worn by Japanese adventurer Naomi Uemura in the Arctic region in the years 1974 to 1976

Water Resistance: 200 meters

Length: 48

Once the dial is in place

Waterproof: up to 10 ATM

Seiko Prospex Sumo SPB101 Automatic Diver Black Dial // Pre-Owned aikon This 1970 diver's watch provedBox Papers: Yes Condition: Excellent Caliber Number 6R35 Movement Type Automatic with manual winding capacity Accuracy +25 to 15 seconds per day Exterior Case Material Stainless steel Crystal Sapphire LumiBrite Lumibrite on hands, indexs and bezel Clasp Three fold clasp with secure lock , push button release with extender Other Details Water Resistance 200m 660ft diver's Case Size Thickness: 12. 9 Diameter: 45 Length: 52. 6 Other Specifications Screw