• Chronograph
• Stainless steel case and band
• 100-meter water resistance
• Date display
• EDIFICE logo stamped on the crown, back cover, and buckle
• Partial ion plated
• Mineral Glass
• Screw Lock Back
• 100-meter water resistance
• case / bezel material: Stainless steel
• Stainless Steel Band
• One-touch 3-fold Clasp
• 1-second

• Chronograph
• Stainless steel case and band
• 100-meter water resistance
• Date display
• EDIFICE logo stamped on the crown, back cover, and buckle
• Partial ion plated
• Mineral Glass
• Screw Lock Back
• 100-meter water resistance
• case / bezel material: Stainless steel
• Stainless Steel Band
• One-touch 3-fold Clasp
• 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: 48.1 x 43.4 x 11.4mm
• Total weight: 148g