[Equipped with an aviation slide rule. Multifunctional pilot watch PROMASTER] Citizen Promaster is a full-fledged sports watch that combines functionality, durability, and safety that can withstand even the harshest environments. Introducing a model inspired by the color of the sky from the popular SKY series. Receives standard radio waves and automatically adjusts to the correct time. Equipped with a world time function that quickly changes the time to 24 cities around the world. This is a multi-functional pilot watch that uses Citizen's unique Eco-Drive technology to keep moving as long as there is light.
[Green bezel reminiscent of the aurora spread across the surface] The dial also uses the popular green color, giving it a unified design. The sky, which represents time, spreads out inside the wide case, giving an image of boldness and fearlessness that befits the name "SKY."
[Invention for long-term use] We have pursued improvements in durability because we want it to be used for a long time. Waterproof performance and highly durable glass using sapphire glass protect your precious watch from all kinds of situations.
[Function/Performance] Receives standard radio waves from Japan, China, America, and Europe in four areas around the world, which are transmitted based on atomic clocks whose error is said to be 1 second every 100,000 years, and automatically adjusts the time and calendar.
[Product Details] Photovoltaic Eco Drive radio clock, ±15 seconds/month (when not receiving data), Sapphire glass (non-reflective coating), Case/Band: Stainless steel, Water resistant to 20 ATM, Date display, Luminous (hands + index), Aviation slide rule