watch strap for casio SGW 300H 400H 500H MRW 200H AE 1000W AE 1300 AE 1200 W S200H W 800H W 216H W 735H F 108WH W 215 AEQ 110W|Watchbands| - AliExpress
Casio Twin Sensor SGW300H-1AV specifications
Casio Sport Gear Twin Sensor Watch SGW300H-1AV
Replacement Watch Band 18mm Black Rubber Strap Compatible with Casio AE-1000w AQ-S810W SGW-400H/SGW-300H | Amazon.com