Kind reminder:
Dear customer, This strap is suitable for Tudor Black Bay M79360, 79230, 79830, 79030. Other models may not be compatible. If you are unsure, please consult us before placing an order. We are happy to answer your questions. Thank you very much!

The clasp length is 37mm, which can be slightly adjusted to increase by about 10mm. 
Length 50+50mm (wrist circumference 14.5-15cm)
Length 50+60mm (wrist circumference 15.5-16cm)
Length 60+60mm or 50+70mm (wrist circumference 16.5-17.5cm)
Length 60+70mm (wrist circumference 18-19.5cm)
Length 70+70mm (wrist circumference 20-21cm)



Condition:New with tags: A brand-new, unused, and unworn item (including handmade items) in the original ...
Compatible Brand:TUDOR
Color:Black
Compatible Model:BB58
Year Manufactured:2010-Now
MPN:Does Not Apply
Material:Rubber
Smart Technology:No
Vintage:No
California Prop 65 Warning:No
Brand:Generic/Aftermarket
Personalize:No
Type:Wristwatch Band
Department:Unisex
Band Type:Two-Piece Strap
Personalized:No
Theme:Sports