Rolex Air-King 34mm Grey Dial — Ref. 5500M | Key Specs Feature Details Model Name Rolex Air-King Reference Number 5500M Case Size 34 mm diameter Case Material Stainless steel Dial Color Grey dial with contrasting markers (often with 3-6-9 Arabic and stick indices) Bezel Engine-turned stainless steel bezel Crystal Scratch-resistant sapphire crystal Movement Rolex automatic (self-winding) Caliber Rolex Caliber 3130 Power Reserve Approx. 48 hours Functions Hours, minutes, seconds Bracelet Oyster bracelet in stainless steel Clasp Folding Oyster clasp Water Resistance 100 m / 330 ft Crystal Type Sapphire Gender Men’s / Unisex Era of Production Early 2000s (circa ~1999–2007)
