Seiko Prospex Sumo SPB101 Automatic Diver Black Dial // Pre-Owned aikon Function to prevent the GPS

Function to prevent the GPS signal reception (in-flight mode)

Once the dial is in place

Waterproof: up to 10 ATM

this exceptional timepiece is powered by the 26-jewel 8L35 automatic mechanical movement

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

Seiko Prospex Sumo SPB101 Automatic Diver Black Dial // Pre-Owned aikon Function to prevent the GPSBox 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