Citizen Eco-Drive batteries – selecting a battery for the mechanism caliber

Watches Citizen Eco-Drive use rechargeable cells that store energy obtained from light. When replacing the battery, it is very important to choose the correct version intended for the specific mechanism of the watch.

The size of the cell or designations such as MT920, MT621, or MT516 are not always sufficient for proper selection. Individual batteries may differ in construction, contact plates, and the Citizen part number.

How to find the right Citizen Eco-Drive battery?

It is best to determine the designation of the caliber of the mechanism and – if possible – the number of the original battery. Then you can compare the designation with the table below.

Important: if the same caliber appears with several battery numbers, it does not automatically mean that the parts are interchangeable. In such cases, you should check the exact version of the mechanism, the construction of the old cell, and the Citizen part number.

Citizen 295-753 – CTL621 with plate

The battery is intended for selected Citizen Eco-Drive mechanisms.

Fits mechanisms:
H010, H018, H030, H050, H054, H058, H059, H100, H106, H109, H10A, H10B, H110, H111, H112, H113, H115, H116, H117, H119, H11A, H128, H144, H145, H148, H149, H162, H176, H183, H246, H800, H804, H820.

See Citizen 295-753 at Kurant store

Citizen 295-758 – CTL920 with plate

Voltage: 2.35 V

Fits mechanisms:
E210, E310, E600, E610, E650, E670, E690, G910, H610, H611, JY00, U200, U600, U680, U700, U706.

See Citizen 295-758 at Kurant store

Citizen 295-69 – CTL920F with plate

Fits mechanisms:
E210, E210M, E310, E600, E600M, E610, E610M, E650, E660, E670, E670M, G900, G900M, 9000, U100, U101, U106, U107, U200, U600, U608, U680M, U700, U706.

See Citizen 295-69 at Kurant store

Citizen 295-67 – MT416 with plate

Fits mechanisms:
G620M, G670M, G671M, J620M, J621M.

See Citizen 295-67 at Kurant store

Citizen 295-76 – MT516 with plate

Fits mechanisms:
A930G, A930N, A980G, B020M, B023M, B030M, B030N, B031M, B033M, B035M, B036M, B080M, F780M, H330, H331, H335, H337, H338, H339, H360, H380, H386, D706, D710, D716, J015, J165.

See Citizen 295-76 at Kurant store

Citizen 295-762 – MT516 with plate

Fits mechanisms:
H330, H331, H335, H336, H360.

See Citizen 295-762 at Kurant store

Citizen 295-763 – MT516 with plate

Fits mechanisms:
J015, J145, J165.

See Citizen 295-763 at Kurant store

Citizen 295-51 – MT621 with plate

Fits mechanisms:
B110M, B117M, E000M, E001M, E010M, E011M, E013M, E030M, E031M, E068M, E100M, E101M, E106, E110M, E111M, E168M, E410G, E421G, G430M, G431M, G530G, H500M, H501M, H504M, H509M, H570M, H571M, J710, J730M, J800M, J810, J830.

See Citizen 295-51 at Kurant store

Citizen 295-60 – MT621 with plate

Voltage: 1.8 V

Fits mechanisms:
B230, B232M, B234, B235, B236M, B237M, BP10.

See Citizen 295-60 at Kurant store

Citizen 295-33 – MT621 with plate

Fits mechanisms:
8511A, 8512A, 8515A, 8625A, 8626A, 8628A, 8629A, 8635M, 8651A, 8729, 8730M, 8S11, 8S12, 8S15, 8T29.

The product designation also includes information about the replacement 295-5500.

See Citizen 295-33 at Kurant store

Citizen 295-785 – MT616 with plate

Fits mechanisms:
G820M, G870M.

The product is also marked as a replacement 295-66.

See Citizen 295-785 at Kurant store

Citizen 295-38 – MT920 with plate

Fits mechanisms:
C601, C605, C615.

See Citizen 295-38 at Kurant store

Citizen 295-56 – MT920 with plate

Fits among others:
7821, 7821A, 7828, 7828A, 7871, 7871A, 7873, 7873A, 7876, 7876A, 7878, 7878A, 7879, 7879A, A710, A710G, A715, A715G, A730, A730G, A735, A735G, A780, A780G, A784, A784G, A786, A786G, B510, B510Z, B515, B515Z, B560, B560M, B570, B570B, B612, B620, B690, B740, B740M, B741, B741M, B745, B745M, B800, B800M, B810, B810M, B870, B870M, B872, B872M, B873, B873M, B876, B876M, B877, B877M, B910, B910M, C650, C651, C652, C660, E510G, E511, E511G, E710M, E711M, E712, E712M, E715M, E716M, E717, E717M, E760M, E760N, E761, E761M, E761N, E765M, E766, E766M, E767M, E768M, E810, E810M, E811M, E812, E812M, E816, E816M, E817M, E820, E820M, E860, E860M, E865M, E870, E870M, H410, H410M, H411M, H412M, H413M, H414M, H415M, H416M, H417M, H418M, H419M, H430, H430M, H434M, H435M, H437M, H438M, H460M, H461M, H465, H465M, H466, H466M, H485M, H486M, H490M, H492M, H495M, H496M, H497M, J304, J304M.

See Citizen 295-56 at Kurant store

Citizen 295-5700 – MT920

Voltage: 1.5 V
Diameter: 9.5 mm
Height: 2.05 mm

Fits mechanisms:
7810, 7811, 7812, 7815, 7817.

See Citizen 295-5700 at Kurant store

Citizen 295-65 – MT1620

Voltage: 1.5 V

Fits mechanisms:
A410M, A411M, A412M, A413M, A414M, A410, A411, A412, A413, A414.

See Citizen 295-65 at Kurant store

Citizen 295-31 – MT1620 with plate

Fits mechanisms:
9410M, 9415M, 9417M, 9447M, 9448M, 9455M, 9457M, 9477M.

See Citizen 295-31 at Kurant store

Citizen 295-756 – ML2016 with plate

Voltage: 3 V

Fits mechanisms:
U200, U600.

See Citizen 295-756 at Kurant store

What to do if one caliber corresponds to several batteries?

In the table, you can notice cases where the same symbol of the mechanism appears with several parts. Examples include some mechanisms from the E, U, or H families.

Do not assume that the batteries are interchangeable based on this. Within one caliber designation, there may have been different construction versions, and the type of cell does not determine the shape and position of the contact plates.

If you have doubts, it is best to compare the number of the old battery, the appearance of the contacts, and the full designation of the mechanism.

MT920, MT621, and MT516 – is the cell symbol enough?

No. The designation MT920 can appear in many different complete batteries intended for different Citizen mechanisms. A similar situation applies to MT621 or MT516.

Therefore, when purchasing a battery for Citizen Eco-Drive, you should primarily follow the Citizen part number and compatibility with the specific caliber, not just the symbol of the cell itself.

Where to buy a battery for Citizen Eco-Drive?

The watchmaking wholesaler Kurant offers batteries and capacitors for Citizen Eco-Drive watches, as well as cells for Seiko Kinetic, Seiko Solar, and Casio Tough Solar watches. Product descriptions contain information about compatibility with specific mechanisms and watch models.

Before purchasing, we recommend checking the designation of the mechanism and the part number on the original battery.