The correct part number for a 5M54 is 304324T I do not know if the one shown (30235MY) is a suitable substitute but I doubt it due to varying thickness of capacitors

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Seiko Maxell TC920S Genuine AGS Kinetic 3023 5MY Coin Type Rechargeable Battery with Terminal

Seiko Maxell TC920S Genuine AGS Kinetic 3023 5MY Coin Type Rechargeable Battery with Terminal

Q: Is this battery fit seiko model 5m42 og99

The only way to find out is to remove the back of the watch. I thought I had the right one. When I removed the back I found it was the wrong one. I had to order another with the number off the capacitor. This is for some Seiko watches. But to get the right one remove the back first and check the number. I have this capacitor which is of no use to me. When you have the back off the watch if it matches with the one you have it should be okay Michael.

Q: Is this capacitor self charging?

The original Capacitor that came with my watch held charge for two weeks or longer when fully charged. The replacement Capacitor only holds charge for two or three days when fully charged. So I'm disappointed with the length of time of charge.

Product ID: 725315327

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Details

Brand
Seiko
Operating Voltage
1.5 Volts
Mounting Type
Snap-In Mount
Manufacturer
SEIKO[セイコー]

⚡1.5V high-performance power

🔋Snap-in mount for easy installation

🇯🇵Authentic Japanese craftsmanship

Frequently Bought Together

Original SEIKO Capacitor 3023.5MY

Watch Link Removal Kit, BYNIIUR Watch Repair Kit, Watch Case Opener Spring Bar Tools, Watch Battery Replacement Tool Kit, Watch Band Link Pin Tool Set with Carrying Case and Instruction Manual

OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Ball Battery Change

Description

🔋 Power your legacy with authentic Seiko precision!

OPTIMIZED 1 5 V POWER - Delivers consistent 1.5V output tailored for Seiko Kinetic calibers 5M42A, 5M43, 5M22, 5M23, and 5M25.
GENUINE SEIKO QUALITY - Experience precision with a battery crafted by Seiko and Panasonic, ensuring reliability you can trust.
EFFORTLESS SNAP IN MOUNT - Designed for quick, secure installation—get your watch powered up without hassle.
MADE IN JAPAN EXCELLENCE - Proudly manufactured in Japan, combining advanced technology with meticulous quality control.
ULTRA COMPACT LIGHTWEIGHT - At just 0.95 cm diameter and 10 grams, it fits seamlessly without adding bulk.

The Seiko Maxell TC920S is a genuine 1.5V rechargeable coin-type battery, engineered in Japan by Panasonic for Seiko Kinetic watches. Compatible with multiple calibers, it offers reliable, long-lasting power in a compact snap-in design, perfect for professionals who demand precision and durability.

Specifications

Batteries Included	No
Batteries Required	No
Brand	Seiko
Manufacturer	SEIKO[セイコー]
Item Model Number	3023-5MY
Display Type	watch accessories
Mounting Type	Snap-In Mount
Product Dimensions	0.95 x 0.95 x 0.2 cm; 10 g
Item Weight	0.01 Kilograms

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