Chronograph• Stainless steel case and band• 100-meter water resistance• Date display• EDIFICE logo stamped on the crown, back cover, and buckle

• Mineral Glass
• Partial ion plated
• Screw Lock Back
• 100-meter water resistance
• Case / bezel material: Stainless

Chronograph• Stainless steel case and band• 100-meter water resistance• Date display• EDIFICE logo stamped on the crown, back cover, and buckle

• Mineral Glass
• Partial ion plated
• Screw Lock Back
• 100-meter water resistance
• Case / bezel material: Stainless steel
• Stainless Steel Band
• One-touch 3-fold Buckle
• 1-second stopwatch Measuring capacity: 29'59 Measuring mode: Elapsed time
• Date display
• Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch seconds, 24-hour, stopwatch minutes)
• Accuracy: ±20 seconds per month
• Approx. battery life: 2 years on SR621SW
• Size of case/total weight: 48.1 X 43.4 X 11.4 mm/148 g