With advanced technology paired with an incredibly bold look, the latest Promaster Air Navihawk reaches a higher altitude in style. The watch's silver-tone stainless steel case measures 40mm in diameter and wears boldly with its sharp faceting and satin finishing. A slide-rule scale on the dark gray bezel provides additional flight utility. A triple-link stainless steel bracelet secures the timepiece to the wrist.On the dial, a khaki green colorway with red, black, and white accents adds to the watch's superior legibility, while a sapphire crystal and 200m of water resistance protect it all. Functions include a 1/5 second chronograph measuring up to 60 minutes, 12/24 hour time displays, and a date indicator, all powered by our Eco-Drive technology – sustainably powered by light and never needing a battery. Caliber B620. Product Details Model CA4664-60W 1/14/2025 Movement Technology B620 Eco-Drive Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. Case Width (mm) 40 Band Type Bracelet Stainless Steel Case Material Silver-Tone Stainless Steel Crystal Anti-Reflective Sapphire Crystal Impact and shatter resistant - anti-reflective coating deflects light Clasp Fold Over Clasp with Hidden Push Buttons Dial Khaki Water-Resistance WR200/20Bar/666ft [Swimming, Showering & Snorkeling] Additional Functions 1/5 Second Chronograph Measures up to 60 Minutes 12/24 Hour Time Date