Seiko Prospex 41mm steel quartz watch SSB405P1 at the best price. Official Distributor. Seiko Prospex 41mm SSB405P1 watch This men's watch, from the Prospex series, is a quartz caliber 8T63 with an accuracy of plus or minus 15 seconds per month. With a 41mm stainless steel case, protected by a mineral crystal (Hardlex). The dial in green color with 24 hour hands. With a battery life of 3 years. It has the chronograph function of up to 60 minutes in increments of 1/5 of a second, date display and equipped with a small second hand. Designed with a stainless steel strap with a three-fold clasp with push button release. Water resistant to 100 meters.