Uniquely manufactured by MONSTRAPS

Contemporary, durable and incredibly comfortable.

Our FKM rubber strap for the Seiko Speedtimer is made with 13 adjustment pinholes which are closely spaced apart for the best fit on your wrist.


FKM rubber boasts excellent resistance to UV rays, extreme temperatures, mechanical stresses, chemicals, and seawater. 

Thickness and pliability calibrated for maximum comfort. Solid polymer embedded at case connection point for added stability. 

 ***Only fits Seiko Speedtimer models, to find out if this strap fits your watch, click on "Design to Fit" below or email us to enquire





Wrist size 5.9 inches to 8 inches / 15 cm to 20 cm


 Strap width


20 mm at lugs, 20 mm at buckle


Length of strap


125 mm / 80 mm (measure to end of strap without including buckle)


Strap material


FKM Rubber


Buckle material


316L Stainless Steel


Pin holes


13 tear resistant pin holes


Design to Fit

Seiko Speedtimer




***A pair of customized springbar will be provided for each strap purchased. 

Join the MONSTRAPS family