・[Citizen PROMASTER] (Promaster) is a full-fledged sports watch that combines functionality, durability, and safety, featuring an attractive compact 40mm case size and metallic shine. This compact model features an aviation slide rule function while achieving a case diameter of 40mm. It is a sophisticated watch with excellent visibility and operability, and a luxurious shine.
・The metallic gloss is enhanced by the mirror-like reflections of the inner dial’s edges and indexes, creating a three-dimensional impression. The case lugs and crown guard also extensively utilize mirror surfaces to create a metallic gloss throughout the watch. In addition to the aviation slide rule scale, the 1/5-second chronograph scale is also finely engraved, enhancing the precision characteristic of a pilot watch.
・User-friendly functions and performance: Equipped with Eco-Drive, which generates power from light, eliminating the need for battery changes. It converts even faint sunlight or light into electricity. Once fully charged, it continues to operate for a long time even in the dark, so regular battery replacements are not necessary. 200-meter water resistance provides peace of mind during water work and water sports. Convenient date and luminous features (hands + index).
・[Product Details]: Eco-Drive light-generated, accuracy ±15 seconds/month, light-generated power: approximately 9 months, 200-meter water resistance, sapphire glass (anti-reflective coating), case/band: stainless steel, magnetic resistance Type 1, luminous (hands + index), *For detailed operating instructions for the watch, please refer to the instruction manual on the manufacturer’s website (model number: B620).
・About charging: Eco-Drive converts light into energy. Once fully charged, it operates for approximately 9 months. We recommend fully charging it in sunlight when you start using it. Also, when you take it off your wrist, store it in a place where it is exposed to lighting or light so that you can use it without worrying about the watch stopping in your daily life.
【Voltage Compatibility】
When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device's requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.