Width at the widest part of the watchstrap: 18 mm
Width of the strap at clasp-side: 18 mm
This is the original rotating bezel for the Seiko Prospex Monster Baby Tuna Blue SRP653K1
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This is the original crown for the Seiko Mechanical Alpinist SARB059 / SARB061 JDM
Seiko SKX779J1 crystal glass 7S26-0350 1st Generation Monster SKX009 Width at the widest partHere we sell the crystal glass for the Seiko SRP779K1 & SRP779J1 First Generation Monster Black Diver, Related case numbers: 7S26 0350, 7S26 0351, 4R36 01J0 Related models: SKX779K1, SKX779J1, SKX779K2, SKX779J2, SKX779K3, SKX779J3, SKX779KC, SKX779KG, SKX779P9, SKX779 Reference table: (if the part isn't available here; click the Reference link below or check the related products) Watch part Reference Strap 4HX0JB Linked Bracelet 49X8JG Dial