Watch Battery Cross Reference Chart | Renata & Brand Equivalents

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Looking for a reliable watch battery cross reference chart? This comprehensive conversion table helps you quickly identify equivalent silver oxide batteries across major brands such as Renata, Duracell, Energizer (Eveready), Maxell, Varta, Timex, Bulova, Seiko, Citizen, and Rayovac. Whether you’re a watch enthusiast, a repair professional, or simply replacing the cell in your quartz watch, this guide makes it easy to find the right battery every time.

Watch batteries often carry different reference numbers depending on the manufacturer, but the underlying IEC codes and dimensions (diameter × height in millimeters) are standardized. Using our chart, you can match a Renata 357, for example, to its exact equivalent in other brands, ensuring proper fit and performance. The table also lists application types (High Drain, Low Drain, or General), so you can choose the correct cell for chronographs, digital watches, or standard analog models.

This cross reference list covers the most commonly used silver oxide watch battery types, including popular sizes like SR44SW / 303, SR920SW / 371, SR626SW / 377, SR927SW / 399, and many more. Each entry includes Renata’s part number, IEC code, physical size, and equivalents from other major battery makers, all neatly organized in a sortable, responsive HTML table.

Bookmark this page as your go-to watch battery conversion chart to save time during battery replacements, reduce errors, and improve your workflow.

Watch Battery Cross Reference Chart – Silver Oxide (Sorted by Renata)
Renata	IEC Code	Size (mm Ø×H)	Application	Duracell	Energizer	Maxell	Varta	Timex	Bulova	Seiko	Citizen	Rayovac
301	SR43SW	11.6 × 4.2	Low Drain	D301	301	SR43SW	V301	227	301	SB-B8	280-50	RW47
303	SR44SW	11.6 × 5.4	Low Drain	D303	303	SR44SW	V303	228	303	SB-B9	280-62	RW42
315	SR712SW	7.9 × 1.2	Low Drain	D315	315	SR712SW	V315	603	315	SB-BK	280-77	RW315
317	SR516SW	5.8 × 1.6	Low Drain	D317	317	SR516SW	V317	601	317	SB-AD	280-87	RW317
319	SR527SW	5.8 × 2.7	Low Drain	D319	319	SR527SW	V319	606	319	SB-AE	280-62	RW326
321	SR616SW	6.8 × 1.6	Low Drain	D321	321	SR616SW	V321	601	321	SB-AB	280-78	RW321
329	SR731SW	7.9 × 3.1	Low Drain	D329	329	SR731SW	V329	605	329	SB-BP	280-22	RW329
335	SR512SW	5.8 × 1.25	Low Drain	D335	335	SR512SW	V335	601	335	SB-AC	280-52	RW335
337	SR416SW	4.8 × 1.6	Low Drain	D337	337	SR416SW	V337	600	337	SB-AB	280-78	RW337
344	SR1136SW	11.6 × 3.6	Low Drain	D344	344	SR1136SW	V344	224	344	SB-BV	280-25	RW50
357	SR44W	11.6 × 5.4	High Drain	D357	357	SR44W	V357	228	357	SB-B9	280-62	RW42
361	SR721SW	7.9 × 2.1	Low Drain	D361	361	SR721SW	V361	604	361	SB-BS	280-51	RW361
362	SR721SW	7.9 × 2.1	Low Drain	D362	362	SR721SW	V362	604	362	SB-BS	280-51	RW362
364	SR621SW	6.8 × 2.1	Low Drain	D364	364	SR621SW	V364	602	364	SB-AG	280-51	RW364
365	SR1116SW	11.6 × 1.6	Low Drain	D365	365	SR1116SW	V365	220	365	SB-DC	280-18	RW65
366	SR1116W	11.6 × 1.6	High Drain	D366	366	SR1116W	V366	220	366	SB-DC	280-18	RW65
370	SR920W	9.5 × 2.1	High Drain	D370	370	SR920W	V370	605	370	SB-AN	280-51	RW370
371	SR920SW	9.5 × 2.1	Low Drain	D371	371	SR920SW	V371	605	371	SB-AN	280-51	RW371
373	SR916SW	9.5 × 1.6	Low Drain	D373	373	SR916SW	V373	603	373	SB-DQ	280-86	RW373
376	SR626W	6.8 × 2.6	High Drain	D376	376	SR626W	V376	606	376	SB-AW	280-39	RW326
377	SR626SW	6.8 × 2.6	Low Drain	D377	377	SR626SW	V377	606	377	SB-AW	280-39	RW326
379	SR521SW	5.8 × 2.1	Low Drain	D379	379	SR521SW	V379	601	379	SB-AC	280-52	RW329
380	SR936SW	9.5 × 3.6	Low Drain	D380	380	SR936SW	V380	607	380	SB-BR	280-17	RW380
381	SR1120SW	11.6 × 2.05	Low Drain	D381	381	SR1120SW	V381	222	381	SB-BT	280-21	RW48
384	SR41W	7.9 × 3.6	High Drain	D384	384	SR41W	V384	605	384	SB-BP	280-22	RW384
386	SR43W	11.6 × 4.2	High Drain	D386	386	SR43W	V386	227	386	SB-B8	280-50	RW47
389	SR1130W	11.6 × 3.05	High Drain	D389	389	SR1130W	V389	223	389	SB-BU	280-24	RW49
390	SR1130SW	11.6 × 3.05	Low Drain	D390	390	SR1130SW	V390	223	390	SB-BU	280-24	RW49
391	SR1120W	11.6 × 2.05	High Drain	D391	391	SR1120W	V391	222	391	SB-BT	280-21	RW48
394	SR936SW	9.5 × 3.6	Low Drain	D394	394	SR936SW	V394	607	394	SB-BR	280-17	RW394
395	SR936W	9.5 × 3.6	High Drain	D395	395	SR936W	V395	607	395	SB-BR	280-17	RW395
396	SR726W	7.9 × 2.6	High Drain	D396	396	SR726W	V396	606	396	SB-BS	280-29	RW326
397	SR927W	9.5 × 2.6	High Drain	D397	397	SR927W	V397	606	397	SB-AP	280-53	RW397
399	SR927SW	9.5 × 2.6	Low Drain	D399	399	SR927SW	V399	606	399	SB-AP	280-53	RW399