Adventurous Spirit The Explorer is inspired by Rolexs long-standing association with mountaineering and exploration. Designed for clarity and durability, it reflects the brands commitment to precision in challenging environments. Precise and Durable This model, from 2010, features a 39mm case with a black dial and signature 3, 6 and 9 Arabic numerals. Powered by the calibre 3132 automatic movement, it offers a power reserve of approximately 55 hours and is fitted with an Oyster bracelet secured by an Oysterlock clasp and Easylink extension.