Varta V12GS Varta S301, 7518, 7545, 7546, 7550, 7559, 7548, 7549.

This is from the American Watchmakers-Clockmakers Institute 2010 Edition Handbook on Battery Number System.

Fits and replaces: Seiko 7549-7010 Seiko 4336A Seiko 4336 Seiko 4823A Seiko 4633A Seiko 4336A Seiko 7546-8170 Seiko 7546A Seiko 7546 series will provide up to 5 years and when battery life nears end second hand moves in two second jumps while still keeping accurate time U.C.C. 301 Seiko 0903-8069 Seiko 0903A Seiko 7545 Seiko 7545A Seiko 75497010 Seiko 7549 Seiko 7549A Seiko Quartz 4004 Seiko 0903-7019 Seiko 0903 Varta 280 Vetta C15 Bicycle Computer 7C11, Seiko 7C17 Seiko 7C11 Seiko, Seiko 7C17 Seiko, Lassale 7C11 Lassale, Lassale 7C17 Lassale, Creador 7C11 Creador, Creador 7C17 Creador, 7C46H, Seiko 7C46H Seiko, Lassale 7C46H Lassale, Creador 7C46H Creador, QW2G, Casio QW2G takes 2, QW2S, Casio QW2S takes 2, Y504, Casio Y504 Casio, 8500, Citizen 8500 Citizen, 8700, Citizen 8700 Citizen, 8600, Citizen 8600, 8640, Citizen 8640 Citizen, 7300, Citizen 7300 Citizen, 7301, Citizen 7301, 7310, Citizen 7310 Citizen, 536.121, ETA/ESA 536.131 ETA/ESA, 952.101, ETA/ESA 952.101 ETA/ESA, 952.121, ETA/ESA 952.121, 755, Longines 755 Longines, 756, Longines 756 Longines, 4335, 4336, Seiko 4336 Seiko, Seiko, Seiko 4335 Seiko, Lassale 4335 Lassale, Lassale 4336 Lassale, Creador 4336 Creador, Creador 4335 Creador, 4622, 4623, Seiko 4622 Seiko, Seiko 4623 Seiko, Lassale 4622 Lassale, Lassale 4623 Lassale, Creador 4622 Creador, Creador 4623 Creador, 4803, 4822, Seiko 4803 Seiko, Seiko 4822 Seiko, Lassale 4803 Lassale, Lassale 4822 Lassale, Creador 4803 Creador, Creador 4822 Creador, 7518, 7559, Seiko 7518 Seiko, Seiko 7559 Seiko, Lassale 7518 Lassale, Lassale 7559 Lassale, Creador 7518 Creador, Creador 7559 Creador, 7548H, 7549H, Seiko 7548H Seiko, Seiko 7549H Seiko, Lassale 7548H Lassale, Lassale 7549H Lassale, Creador 7548H Creador, Creador 7549H Creador, Y504, ALBA Y504 ALBA, ALBA CALIBRE Y504, Pooh Bear Heartbeat, Seiko 4633, 4633 Seiko, Seiko 4004, 4004 Seiko, Mens watch seiko front #4004 back #4633-8039 680734, Hamilton Gemini, Hamilton Gemini II, Hamilton Ventura Model 505, the first Electric Watch released on January 3, 1957: not all 301 batteries will fit the Hamilton Electric. The Energizer wont fit as it doesnt have a little tip in the middle of the negative side., Hamilton RR50 Railroad Watch Hamilton, Hamilton RR50, Hamilton RR51, Hamilton Pacer, Bulova 226 Watch Battery, TIMEX RW58, AWI S04, 7C21B, 7C46A, 7C11, 7C17, 7C17A, 7C17B, 7C46B, Energizer 301, Bulova 226 and 120TC, Citizen 280-01 and 280-16, Seiko 75497010, Seiko 7549 7010, Duracell D301/386 and WS11, Gold Peack GP01, Maxell SR43SW and GS12, Panasonic SP301 and SR43SW and WS-11, Rayovac 301 and RW34 and RW14, Renata 301 and 1, Seiko SR43SW and SB-A8and SB-D8,Sony R43SW and 301, Timex D, Toshiba SR43SW and WGS12, Varta V301 and 528, IEC SR43,and Misc. Battery numbers GS12 and SR1142, 260, 280-41, H, SB-B8, SR1142, G12, S07, 1133SO, 226, 301, 280-01, D, SB-A8, SR1142, SR43, SR43SW, V301, SP301, GS12, S04, 1132SO. 1132 SO, 0822, 0823, 0841, 0842, 0843, 0852, 0853, 0903, 0920, 0922, 0923, 4335, 4336, 4622, 4623, 4633, 4821, 4803, 4840A, 4842A, 4843A, 4822A, 4823A, 4883A, Eveready No. 301, UCAR 301, Rayovac RW34, Renata 301(1), Renata 301, Renata 1, Varta V304/528, Varta 304/ Varta 528/ Varta V528, Mallory D301, Berc BSR43L, Omega 9902, Bulova 226/120TC, Bulova 226, Bulova 120TC, Timex Type D, Timex D, Seiko SBA*, Seiko SB A8, Citizen 28001,16,47, Citizen 280 01, Citizen 28016, Citizen 280 16, Citizen 28047, Citizen 280 47, Vetta C20 bicycle.