IWC Schaffhausen Aquatimer Split Minute Chronograph Mode D'emploi page 31

Attaching the bracelet
Removing and fitting the rubber strap
The identical attachment for the rubber strap lets you use the same strap
replacement procedure as when handling the metal bracelet. To remove
the rubber strap, push down the securing pin situated on the case and slide
the pivot pin from the case at the same time. Pull the protruding pivot pin
from the case. The strap is now separated from the case. Fit the strap using
the same procedure as when joining the metal bracelet. When fitting the
strap, make sure that the pivot pins are secure to prevent the watch from
being lost.
Effective from May 2004.
Technical specifications subject to change.
Attach the component parts of the bracelet link to
the connection point, and push the pivot pin into the
bracelet from the side (1).
Using the special tool provided, now press the securing
pin downwards (2) and, at the same time, slide the
pivot pin back into the bracelet until it lies flush (3). The
securing pin must be brought up flush with the upper
edge of the securing link. Please be sure to check the
correct seating of the pivot pin.
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