The closed lug style case.

Note the exposed pin on the closed lug style case.

Pressing the pin with a paperclip with tension on the bracelet. Once the pin is released from the lug hole, the bracelet will shift away from the case. If the first side is difficult to release, try the second side of the same pin. Be sure to keep tension on the bracelet by pulling away from the case while recessing the pin. Be careful not to scratch the case in the process.

The open lug style case is easier to remove the pins from.

The paper clip is pushed directly through the hole until the pin releases while putting outward (away from case) tension on the bracelet. The second side will release easily since there is no pin tension

The pin after release.

The serial number is located on the 6:00 side of the case designating the date of release from the factory. The style or model number is located on the 12:00 side of the case beneath the bracelet. Note the serial number designating the manufacturer's release date.

Style number on 12:00 side of case.

A 70% bracelet with severe stretch. Be sure buckle is closed when checking for stretch.

A 80% bracelet with minor stretch.

An 90% bracelet with moderate stretch.

A 95%+ bracelet.