FAQ:

1.What other merits does an all-steel watch have besides its wearable feature?
Besides its wearability , all-steel watch also features merits such as anti-rust,anti-erosion,anti-magnetic, high-intensity, environmental protection (free of skin allergy).

2.Can a watch with only a stainless steel back be called a semi-stainless?
Semi-stainless steel watch, the former name for the early domestic-made watch, refers to those watches with stainless steel back and chrome-plated copper case.

3.How many years can the battery of a quartz watch be used? 
Different watch main unit manufacturers guarantee different length of battery service life. Citizen guarantees 2 to 3 years of battery life and some up to 5 to 10 years. Usually, the thinner and more compact the main unit and the battery are, the shorter the battery service life is. There are many factors that may influence the battery service life, such as the length (weight) of the watch hand, the production date of the battery and the production date of the watch. Now our first-grade watch has the guaranteed battery life of: 1) Over 1 year for models with 4S20/5Y30 and 9T22 main unit; 2) over 2 years for other models.

4.Are the surface of the sapphire watch permanently wearable? 
This is not a scientific statement. All matters can't be permanently wearable. It should be not easily wearable . Now the hardness of sapphire is 9 degree, only next to the 10 of diamond, while the hardness of glass is 5 to 6.

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1.Please keep the watch away from magnetic objects.

2.When water (Air) appears in the watch, please send the watch to the maintenance office for cleaning so as to protect the main unit from being rusted. 

3.If there is any protective film or label on the back, please take it off before use of the watch. Otherwise, the paper may be wet by your sweat and cause the back rusted.

4.Please do not make your watch in contact with any kind of solvent or chemicals, otherwise the back or the wristband may be eroded and rusted.

5.The watch (Quartz Watch Only) can walk stably and accurately under normal temperature ranging from 5^oC to 35^oC. Under temperature of over 50^oC, leakage or shorter life may happen on the battery. Please do not place the watch in an environment below -10^oC, because the cool air may make the watch gain or lose minutes. When the watch is placed back to a working environment of normal temperature, it may work as usual again.

6.The watch with remarks of "Water Resistant"on the back is a water-proof watch, which may stands occasional splash or rain, yet not for swimming or dive purposes. The watch with remarks of "Water Resistant 5ATM" on the back is a watch that has been tested for wearing in 5 degree (50m Underwater) swimming. The user should still be careful of any damage to the watch when wearing the watch in swimming.