Mechanical Watch NH8391-51A Water Resistant_30M Countdown timer Measuring unit: 1/10

Countdown timer Measuring unit: 1/10 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments)

Regular timekeeping: Digital: Hour

Sku: MK5354

which means you can determine which mode you are entering without even looking at the watch

Sku: FS6063

Mechanical Watch NH8391-51A Water Resistant_30M Countdown timer Measuring unit: 1/10Calibre No. 8200 Movement Automatic Signal Reception Without Radio Reception Function Strap Stainless Steel Water Resistant Water Resistant to 5 bar Weight 135g Thickness 13. 1mm Case Size 40. 2mm Case Stainless Steel Glass Crystal Glass Warranty 3 years warranty Specification CITIZEN C7 series Automatic Date and Day Display