Genuine Sony SR920SW 371 LR920 AG6 SR69 171 1.55V Watch Battery 1.5V Japan
Other designations:920 LR920 AG6 LR920 LR69 171 370 371 Weight (of one battery): 0.7g. Battery size: SR920SW. Quantity: 1 Battery. on the underside of the 1st battery. I'll ensure you get one cut from the top card.