If problem on installation, plz contact us. As experience, 99% cases could be fixed. Compatible with Seiko Speedtimer SSC813P1, SSC815P1, SSC817P1, SSC819P1 Strapcode Guarantee: Upon receiving our goods, If you are having problems with the fitting with our products or other issues, please feel free to contact us. As experience, 99% cases could be fixed.
Tips for not fit: use smaller spring bar. Plz contact our team to request for a set of different sized spring bars to rectify the matter.
Tips for clasp locking loosely: it's friendly design for easily open, please visit our V-Clasp version if need totally closed version.
Tips for avoiding scratches: put some tape or oil on lug when installing.

Item number: SS201620B152

Full compatible model list:
Compatible with Seiko Speedtimer SSC813P1, SSC815P1, SSC817P1, SSC819P1

Introduction: This Super-O Boyer Style#1 watch band with curved solid end pieces is compatible with Seiko Speedtimer SSC813P1 'Seitona'. Super-O Boyer watch band is a new breakthrough of our O Boyer Collection. Same as O Boyer, this Super-O Boyer is composed of 3 flat and solid 316L stainless steel units plus highlighted 3D effect curved solid end pieces. This well-built replacement bracelet was assembled with screw-in adjustable details instead of flimsy pressure pins. Watch band is tapering to [buckle_size]mm buckle width.
Brand: MiLTAT
Style Name: Super-O Boyer
Lug width (mm): 20
Buckle size (mm): 16
Thickness (mm): 3.2
Spring bar hole dia. (mm): 1.78
Material: 316L Stainless Steel
Color / Finish: Brushed
Max. length (mm): approx. 185
Min. length (mm): approx. 110
Net Weight (gram): approx. 82
Lug end style: Curved End
Adjustment type: 6 Screw fixed links & 6 micro holes on clasp