The original Citizen replacement watch strap for the Citizen Promaster Marine Eco-Drive Yacht JR4061-18E with case number R011707 and strap number 59-R50478
The original Citizen replacement watch strap for the Citizen Promaster Eco-Drive Marine BN0100-42E with case number 4-S081491 and strap number 59-S52553
The original Citizen replacement watch strap for the Citizen Promaster Eco-Drive Marine BN0100-34L with case number 4-S086329 and strap number 59-S52733