Care of Your Watch

Battery

To check the battery life of your watch, look at the case back and read off the first 4 letters and numbers before the hyphen i.e. W140 ?0156, now find W140 (this code is called the calibre number) in the list below and you will find the information.

  V041 SR726W 2 Years
  V071 SR927W 3 Years
  V072 SR927W 3 Years
  V33F SR916SW 3 Years
  V401 SR521SW 2 Years
  V421 SR726W 2 Years
  V500 SR626SW 4 Years
  V501(HK) SR626SW 2 Years
  V501(JPN) SR626SW 4 Years
  V506 SR626SW 2 Years
  V507 SR626SW 1.5 Years
  V511 SR626SW 2 Years
  V515 SR626SW 4 Years
  V52H SR927W 2 Years
  V532 SR927SW 3 Years
  V533 SR927SW 3 Years
  V535 SR927SW 3 Years
  V53L SR927SW 3 Years
  V654 SR920SW 2 Years
  V657 SR920SW 2 Years
  V671 SR920W 2 Years
  V700 SR616S 3 Years
  V701 SR621SW 2 Years
  V732 SR920SW 5 Years
  V733 SR920SW 5 Years
  V739 SR920SW 5 Years
  V743 SR920SW 5 Years
  V744 SR920SW 5 Years
  V782 SR621SW 3 Years
  V810 SR527SW 2 Years
  V811 SR527SW 2 Years
  V821 SR626SW 3 Years
  V824 SR626SW 2 Years
  V827 SR626SW 2 Years
  V829 SR626SW 3 Years
  W100 CR2025 Lithium 2.5 Years
  W110 CR2025 Lithium 5 Years
  W120 CR2025 Lithium 8 Years
  W121    
  W130 CR2025 Lithium 8 Years
  W140 CR2016 Lithium 7 Years
  W150 CR2025 Lithium 3 Years
  W160 CR2025 Lithium 3 Years
  W190 CR1620 Lithium 3 Years
  W209 SR626SW 2 Years
  W307 CR2016 Lithium 7 Years
  W339 CR2025 Lithium 5 Years
  W620 CR2025 Lithium 2 Years
  W810 CR2025 Lithium 2 Years
  W941    
  W942    
  Y121 SR626SW 4 Years
  Y167 SR927SW 1.5 Years
  Y182 SR927W 2 Years
  Y704    
  Y717 CR2025 Lithium 3 Years
  Y718 CR2025 Lithium 3 Years
  Y735 CR2016 Lithium 5 Years
  Y736 CR2016 Lithium 5 Years
  Y737 CR2025 Lithium 3 Years
  Y797 SR621SW 1.5 Years
  Y799 SR626W 2 Years
  Y922 CR2016 Lithium 10 Years
  Y923    
  Y975 SR626W 1.5 Years

NB. V142, V182, V851 are Solar watches and no batteries are required. YT57 is Kinetic

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Lorus is one of the brands made and marketed by the world famous Seiko Watch Corporation who also make Pulsar watches, Seiko watches and Seiko and Lorus clocks.

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