L81 LB811 LW30 LW301 LW302 LW303 QW220 LW304 L81 QW220 This is from the American Watchmakers-Clockmakers Institute 2010 Edition Handbook on Battery Number System.

Fits and replaces: Seiko 1E20 Seiko 1E20-5700 Seiko 1N00-5030 Seiko 4N01B Seiko 4N2OB Seiko 4N00B Seiko 4NOOB three year battery life Seiko 2P20A Seiko V400-5498 Seiko V400 series all use this same cell Hattory-Seiko V400 Seiko V400-1019 Seiko 1N00-1050 Seiko 4N00-6411 Seiko 4N00-F050 Seiko 4N00 series Seiko Hattori Seiko 4N00 Seiko V400-1409 Hattory-Pulsar V400 Michele CSX Blue Michele CSX Chronograph RBXX017SS MW03J01 Lorus V828 Lorus V516 Lorus 1N00E Lorus 1NOO Lorus 1NOOE Seiko 5Y86 Seiko 1N00-1E19 5.8X1.6 Seiko 1N00A Seiko 7N015A00 Seiko 1N00-6T40 Seiko 1NOO-6T40 Anne Klein 10/3593 753H Seiko 1NOO-6T40 Seiko 1N00-6T40 Pulsar Y590-5609 Citizen 2200 224108 Citizen 6020493 Citizen 32-1695 Swatch Skin Watch Seiko 2E20-7479 Seiko 2E20 3241R Seiko 4N006770 Seiko 4N00 Seiko 4N20 Seiko 4N70 Seiko 4N20D Seiko 4N01 Seiko 4N21 Seiko 4N71 Seiko Seiko V400-1229 Swatch REN00317 V400, ALBA V400 ALBA, ALBA CALIBRE V400, V520, ALBA V520 ALBA, ALBA CALIBRE V520, Guess Dual Face, Seiko watch model 2Y00-5A00, Ladies Seiko 2Y00-5A00 Seiko, Bulova 616 Watch Battery, 317 CELL, L176 Longines, Longines L176, L178 Longines, Longines L178, L298 Longines, Longines L298, Guess I55061L2, AWI S52, Energizer 317, Bulova 616, Citizen 280-58and 280-107, Duracell D317, Gold Peak GP17, Maxell SR516SW and TR516HSW, Panasonic SP317 and SR516SW, Rayovac 317 and W326, Renata 317 and 53, Seiko SR516SW and SB-AR, Sony SR516SW and 317,2Y00, 4J40B, 4J41, 4J80, 4J81, 4J41B, Timex CA, Toshiba SR516SW, Varta V317 and 566, 4J80, 4J81, 4J41B, 4J80B, 4J81B, 4N00, 4N20, 4N70, 4N20D, 4N21A, 4N71, IEC SR62 and Misc, ENERGIZER 317 BATTERY, Battery numbers SR516, Swatch watch model 933 Swatch 933, Fits some Skagen Watch Models, Seiko 2Y00, 2L10

Movements: ETAE01.001, HATV400, HATV401, HATVX10, HATY520, RON732, RON751, RON1032, RON1032HC SEK1N00, SEK4N00, SEK4N01, SEK7N00, SEK7N01, ETA E01.001, HAT V400, HAT V401, HAT VX10 HAT Y520, RON 732, RON 751, RON 1032, RON 1032HC, SEK 1N00, SEK 4N00, SEK 4N01, SEK 7N00 SEK 7N01, 1N00

MOVEMENT/CALIBRES:

Casio QW220 Casio QW235 Casio QW236 Casio QW349 Casio QW349 Casio QW351 Casio CITIZEN 2250 CITIZEN 2930 CITIZEN 220 CITIZEN ETA 283.001 ETA ESA 283.001 ESA 901.005 ESA ETA 901.005 ETA E01.001 ETA ESA E01.001 ESA E01.401 ESA ETA E01.401 ETA F.E 5420 F.E 5430 F.E MIYOTA 2N50 MIYOTA OMEGA 1450 OMEGA PUW 211 PUW RONDA 732 RONDA HARLEY 732 HARLEY SEIKO 2P20 SEIKO LASSALE 2P20 LASSALE CREDOR 2P20 CREDOR 2Y00 CREDOR LASSALE 2Y00 LASSALE SEIKO 2Y00 SEIKO 4N20 SEIKO LASSALE 4N20 LASSALE CREDOR 4N20 CREDOR 4N71 CREDOR LASSALE 4N71 LASSALE SEIKO 4N71 SEIKO