The Atomic Series is Tsar Bomba’s signature interchangeable watch collection — a premium lineup of automatic and quartz timepieces built for those who value versatility, precision, and personal style. With tool-free interchangeable straps in ceramic, carbon fiber, and fluorine rubber, the Atomic Series puts you in full control of how your watch looks — and performs — every single day.From the Atomic-Interchangeable Ceramic Edition to the Full Carbon Fiber Interchangeable Set and Customize Watch Kits, this collection covers every taste and every occasion. NH35A automatic movement, sapphire crystal, and 100M water resistance — the Atomic Series is built to earn its place in any serious watch collection.