銀の腕輪 / ぎんのうでわ [gin no udewa] or 'silver armlets' in Japanese.
Final Fantasy I
Stats: DEF +15, EVA -1
Equip:
Buy: 4,000 gil (sell: ? gil)
Shop: Melmond
Description: An armlet of worked silver
Other: As Silver Armlet
Final Fantasy IV
Stats: DEF 4, MDEF 4, EVA 10, MEVA 4
Equip: Edge, Fusoya, Gilbart, Palom, Porom, Rosa, Rydia, Sage Tellah, Yang
Buy: 650 gil (sell: 325 gil)
Shop: Baron, Mysidia
Drop: Tiny Mage
Obtain: starting armor on Palom, Porom and Rydia (child)
Final Fantasy V
Stats: DEF 2, MDEF 3, weight +3
Equip: almost all (not some physical fighters)
Buy: 500 gil (Sell: 250 gil)
Shop: Karnak
Treasure: Tower of Walse F9
Final Fantasy VII

Stats: DEF 34, DEF% 4, MDEF 22
Slots: 2+1+1, Growth: Normal
Buy: 1,300 gil (Sell: ? gil)
Shop: Cosmo Canyon
Drop: Dyne
Obtain: initial equipment on Cait Sith and Vincent Valentine
Other: as 'Silver Armlet'
Record Keeper

Silver Armlet (VII)
Stats: DEF +10, MDEF +14, ATK +4, MAG +4, MND +4, EVA 99 (lv1), ? (lv5), ? (lv10), ? (lv15), DEF +24, MDEF +34, ATK +10, MAG +10, MND +10, EVA 99 (lv20)
Max Level: lv10 (initial), lv15 (first evolve), lv20 (second evolve)
Type: Armlet, Rarity: ★★★
Category: Equipment