Premium - Watch Battery - Made in Japan

Premium watch batteries – Made in Japan

Discover the Premium range of Japanese silver oxide watch batteries , perfectly suited to all precision watch movements. Made in Japan to the highest quality standards, these batteries offer a exceptional reliability , long life and excellent leak resistance .

Designed to fit a wide variety of watches, they are fitted as standard in many Hattori movements and other Japanese brands. Their mercury-free composition respects all environmental legislation and makes it a more environmentally friendly solution.

Main features

• Made in Japan : quality, reliability and Japanese watchmaking precision.
• Mercury-free : environmentally friendly and complies with current standards.
• Silver oxide technology : stable voltage and consistent performance.
• Leak-proof crimping structure : optimal protection against corrosion.
• Holographic watermark : authentication and guarantee of origin.
• Used as standard in Hattori, Miyota, Seiko and Citizen movements .

Available references (variations)

Choose the reference corresponding to your watch from the list below. Each model offers the same Premium performance, only the format changes depending on the movement.

301 SR43SW, 303 SR44SW, 315 SR716SW, 317 SR516SW, 319 SR527SW, 321 SR616SW, 335 SR512SW, 337 SR416SW, 346 SR712SW, 357 SR44W, 361 SR721W, 362 SR721SW, 364 SR621SW, 370 SR920W, 371 SR920SW, 373 SR916SW, 377 SR626SW, 379 SR521SW, 381 SR1120SW, 384 SR41SW, 386 SR43W, 389 SR1130W, SR912SW 628, 390 SR1130SW, 391 SR1120W, 392 SR41W, 394 SR936SW, 395 SR927SW, 396 SR726W, 397 SR726SW, 399 SR927W.

Why choose a Japanese Premium battery?

Japanese batteries are recognized worldwide for their electrical stability and their manufacturing quality . Each battery undergoes rigorous testing to ensure constant voltage and maximum autonomy, even on complicated watches.

Directions for use

1. Check the exact reference of your old battery before replacing it.
2. Handle the battery with tongs or gloves to avoid any grease buildup.
3. Always install the battery in a clean, dry environment.
4. Replace the gasket if your watch is waterproof.

Reliability trusted worldwide

This range already enjoys an established reputation in Asia, America and Europe as one of the most reliable and popular watch batteries . Choosing a Masar Premium Made in Japan battery means choosing long-lasting performance and complete peace of mind.

Keywords: watch battery made in Japan, SR battery, silver oxide, mercury-free, Hattori battery, Japanese watch battery, Masar Premium.