Citizen Promaster Sky Eco-Drive Men's Radio Controlled Chronograph Watch White Dial Stainless Steel Bracelet 43mm 200m Water Resistance AT8304-57A
The Citizen Promaster Sky AT8304-57A is a men's aviation-inspired chronograph that combines advanced radio-controlled accuracy with a refined modern design. Its crisp white dial is paired with luminous hands and indexes, an internal calculation ruler, and a durable grey stainless steel case and bracelet, creating a sophisticated timepiece built for precision and everyday versatility.
Powered by the Eco-Drive H800 solar movement, this watch charges from any light source and offers reliable performance with world radio-controlled timekeeping. The chronograph, perpetual calendar, world time, and 200-meter water resistance make it a capable companion for travel, business, and outdoor adventures, while the anti-reflective sapphire crystal enhances clarity in every environment.
Key Features
- Eco-Drive H800 Movement: Solar-powered movement charges from any light source for reliable battery-free operation.
- Radio-Controlled Timekeeping: Automatically synchronizes with atomic clock signals from Japan, USA, Germany, and China.
- White Chronograph Dial: Clean white dial with luminous hands and markers ensures excellent readability.
- World Time Function: Displays time across 26 cities, making it ideal for frequent travelers.
- Perpetual Calendar: Automatically maintains accurate calendar information without routine adjustment.
- 1/20-Second Chronograph: Measures elapsed time with high precision for up to 60 minutes.
- Internal Calculation Ruler: Aviation-inspired slide rule enhances the watch's professional pilot character.
- Sapphire Crystal: Flat anti-reflective sapphire glass provides outstanding clarity and scratch resistance.
- Grey Stainless Steel Case & Bracelet: Durable metal construction delivers a premium and modern appearance.
- 43mm Case Size: Balanced case diameter offers a confident wrist presence without excessive bulk.
- 200m Water Resistance: Suitable for swimming, snorkeling, and demanding everyday activities.
- Anti-Magnetic Protection: Designed to help maintain accurate timekeeping around everyday magnetic fields.