Seiko Presage Cocktail Automatic 40.5 MM Black Sunray Dial SS Watch SRPE17J1 Grand Seiko A dual core guard structure

A dual core guard structure is constructed by protecting the module with an integrated carbon monocoque case and covering the outside with metal parts

breadth and depth

stainless steel and ceramic bezel

Up to 80 hours power reserve

Seiko Presage Cocktail Automatic 40.5 MM Black Sunray Dial SS Watch SRPE17J1 Grand Seiko A dual core guard structureCaliber Number: 4R35 Movement Type: Automatic with manual winding Power reserve: Approx. 41 hours Jewels: 23 Stop second hand function Date display Case Material: Stainless steel Case Size Thickness: 11. 8mm Diameter: 40. 5mm Lug to lug: 47. 5mm Crystal: Box shaped Hardlex Clasp: Deployment clasp with push button release Water Resistance: 5 bar See through case back Screw case back See through & Screw case back