Seiko Prospex Sumo Automatic Diver's 200M Deep Blue Japan Model 
SBDC 099

Japanese Domestic Market Special Edition

Movement
Automatic
Caliber 6R35
Automatic with manual winding capacity
Accuracy +25 to -15 seconds per day
Antimagnetic

Exterior
Case Material: Stainless steel
Case Size: Diameter 45mm, Thickness 12.9mm, Length 52.6mm
Glass: Sapphire crystal
LumiBrite: Lumibrite on hands, hour marker and bezel

Other Details
Water Resistance 200m 
Screw case back
Screw-down crown
Unidirectional rotating bezel
Date display
Stainless Steel Band
24 Jewels

 

 

 

 

 

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