Ever heard of the SWIP system ?
With the SWIP attachment system, it couldn't be easier to change your watch strap, no tools required! Just slide the strap on or off.
With a secure and resistant system provided by the wave-shaped design.
Optional STRAP M (or SWIP strap) are compatible with the following models: W500M SWIP, W500+M SWIP, W700XC M SWIP, A300M SWIP, A300+ M SWIP, SWIP DIGITAL M, SWIP ANALOG M and X-Cross 400M.