Casio · G-Shock GA-100
Strap for GA-100A-9A Bumblebee
Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.
Integrated bracelet
The Casio G-Shock GA-100 GA-100-A9 is designed with a bracelet integrated into the case. For a compatible made-to-measure strap, the Casati Milano atelier builds it on your watch.
Case diameter55 mm
ReferenceGA-100-A9
FamilyG-Shock GA-100
MovementCasio caliber 5081
World Time | Perpetual Calendar | Chronograph, Countdown | Alarm
CaseResin
The G-Shock GA-100 GA-100-A9, seen from the bench
The GA-100A-9A Bumblebee is a G-Shock model featuring a 55mm resin case designed for extreme durability. This iconic timepiece combines Casio's robust engineering heritage with contemporary street style. Milano Straps offers custom-fitted straps developed by Atelier Casati Milano, including Tuscan vegetable-tanned leather and premium NATO options tailored to the watch's integrated lug geometry.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only