Seiko Prospex SBDY061 SRPE31K1 Mechanical automatic winding Watch

Product specification

• Caliber No：4R36
• Drive system：Mechanical automatic winding (with hand winding)
• accuracy：Day difference +45 seconds to -35 seconds
• Driving period：It lasts about 41 hours at maximum hoisting
• Case material：Stainless steel (hard coating) Back cover: Stainless steel
• Glass material：Hard rex
• Lumi Bright：Available (needle, index, bezel)
• Band material：Silicon band
• waterproof：Waterproof for 200m diving
• Magnetic resistance：Yes
• Case size
• thickness: 12.7Mm
• horizontal:43.2Mm
• length:44 Mm
• weight：107.0 g
• Arm length (longest)：210 Mm
• Screw lock type crown
• Screw back (Due to manufacturing reasons, the direction of the back cover may differ from one to another)
• Reverse rotation prevention bezel
• With calendar (date/day of the week) function
• 24 stones
• Second hand stop function