Seiko Prospex Land Tortoise 42.4 MM SS Automatic Black Dial Watch - SRPG17J1 Casio Its exquisite finishing is visible

Its exquisite finishing is visible through the exhibition case-back along with the power reserve indicator

Water resistance: 200-meter water resistance

Gray ion plated bezel

The special colors of the minerals ancient seafarers used to find their way are reproduced in these watch designs with forging

Seiko Prospex Land Tortoise 42.4 MM SS Automatic Black Dial Watch - SRPG17J1 Casio Its exquisite finishing is visibleMovement Caliber Number: 4R35 Movement Type: Automatic with manual winding Power reserve: Approx. 41 hours Jewels: 23 Stop seconds hand function Date display Case Material: Stainless steel Case Size Thickness: 11. 7mm Diameter: 42. 4mm Lug to lug: 45. 2mm Crystal: Sapphire crystal LumiBrite: LumiBrite on hands and index(es) Band Material: Calfskin Distance between lugs: 20 Water Resistance: 20 bar Rotating bezel Screw down crown Screw case back