seiko selection spirit sbtr021 quartz chronograph – black dial / leather strap this is a seiko selection spirit sbtr021 men’s quartz chronograph wristwatch with a black dial, stainless steel case, and calf leather strap. the watch is powered by the seiko caliber 8t63 battery-powered quartz movement. it features a chronograph function with 1/5-second measurement up to 60 minutes, a 24-hour hand, small seconds, date display, tachymeter scale, and lumibrite on the hands and indexes. main specifications brand: seiko collection: seiko selection series: spirit 8t chronograph reference: sbtr021 movement: battery-powered quartz caliber: seiko 8t63 accuracy: approximately ±15 seconds per month battery life: approximately 3 years case material: stainless steel strap material: calf leather crystal: hardlex dial color: black case size: approximately 39.8 mm wide, 47.0 mm lug-to-lug, 11.7 mm thick band width: 20 mm maximum wrist size: approximately 195 mm clasp: one-push three-fold clasp water resistance: 10 bar / 10 atm daily-use enhanced water resistance lume: lumibrite on hands and indexes functions: chronograph, 1/5-second measurement, 60-minute counter, 24-hour hand, small seconds, date display, tachymeter weight: approximately 81 g import duties, taxes, vat, and customs fees may apply depending on the buyer's country. these costs are the buyer's responsibility. please check with your local customs office before bidding.