Seiko Sumo SPB103J1, Men's Fashion, Watches & Accessories, Watches on [SPB103J1] Been wanting to get the green sumo for a couple of years and Seiko Prospex Green Sumo Divers Automatic Watch SPB103J1 SEIKO Prospex Diver SPB103J1 Sumo 6R35 Automatic Watch 45mm, Men's Seiko The Prospex "Sumo" SPB103 is inspired by Seiko's acclaimed 2007 Preowned Seiko Prospex SUMO HULK SPB103J1, Luxury, Watches on Carousell. Calibre Calibre Type: Automatic Powered By The Movement Of The Wearer Calibre Function: Analogue 3 Hands Accuracy: +25 15 seconds at normal temperature range (5C and 35C) Power Reserve Battery Life: Approx. 70 Hours Power Reserve Battery: N A Calibre Number: 6R35 Display: Analogue Case Water Resistance: Diver's 200 Metres Case Material: Stainless Steel Case Size (Thickness): 12. 9mm Case Size (Diameter): 45mm Case Size (Length): 52. 6mm Case Color: Silver Band Bracelet: Bracelet Stainless Steel Band Color: Silver Glass Material: Sapphire Crown: Screw Down Rotating Bezel: One Way Dial Color: Green Layout Hand Indicators: Hour, Minutes, Seconds Calendar Indicators: Date Lumibrite: Hands & Hour Markers Dial Markers: Batons Features Hand Winding Capability: Yes