Elastico - G1/ G2 Guide
How to wear?
G1 Style
The G1 Elastico is designed to fit underneath a watch. the strap passes underneath the watch, with the watch case resting on top of the strap.
Security: Even if one of the spring bars fails, the watch will still be attached to the strap, preventing it from falling off your wrist.
Thickness: However it will make your watch sit higher on your wrist than other strap styles. Some people find this less aesthetically pleasing.

G2 Style
The G2 Elastico is a Elastic strap that is secure to the lugs of the spring bar. The strap wraps around your wrist, with the watch case resting on top of your wrist with no layer underneath.
Security: If one of the spring bars fails, the watch will not be attached to the strap which will fall off your wrist, however this rarely happens.
Thickness: There is no extra layer underneath strap making it thinner and less bulky on the wrist.

Length
G1
1 size in length for 6" to 8" inch wrist
G2 comes in 2 sizes
20cm in length, for 5.25" to 6.75" inch wrist
23cm in length, for 6.75" to 7.5" inch wrist