50mm (2") diameter face
13mm (1/2") digit display
Recommended wrist circumference 16cm - 21.5cm (6 5/16" - 8 7/16")
Large easy-press buttons
Ultra-clear, durable sapphire coated mineral crystal lens
All stainless steel body
Stainless steel band (RF4053)
Double stitched canvas band with stainless steel buckle and security loop (RF4053A)
Weight RF4053 - 176g (6.2oz)
Weight RF4053A - 98g (3.5oz)
Race Mode Features
Multiple Start Sequence options ISAF 5,4,1,0, Match Racing, User Set
SYNChronisation function auto-correction if you start the countdown early or late
Multi-line display Start Sequences + Time
Loud intuitive lead-up and start sound signals
Countdown repeat or Count down and up options (for elapsed race time)
Separate fast access Race and Time mode scrolling
Water resistant to 5 ATM (50m/150ft) double gasket seals
Standard Features
Time, hours/minutes/seconds 12 or 24hr format
Month/Day or Day/Month format
Daily alarm
Chronograph - Including hours and time of the day
Luminescent backlight
Battery saving mode light can be turned off
Shock resistant