BRAND : Rolex 
MODEL : Daytona
MODEL NUMBER : 116595/116599/116598/116520
MODEL CASE : Oyster, 40 mm, Everose gold ，
OYSTER ARCHITECTURE : Monobloc middle case, screw-down case back and winding crown
DIAMETER : 40 mm
MATERIAL : 18 ct Everose gold
BEZEL : Fixed, with engraved tachymetric scale, in 18 ct Everose gold
WINDING CROWN : Screw-down, Triplock triple waterproofness system
CRYSTAL : Scratch-resistant sapphire
WATER RESISTANCE : aterproof to 100 metres / 330 feet
MOVEMENT :Perpetual, mechanical chronograph, self-winding
CALIBRE : 4131, manufacture Rolex
PRECISION : -2/+2 sec/day, after casing
FUNCTIONS : Centre hour and minute hands, small seconds hand at 6 o'clock. Chronograph via centre seconds hand, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for exact time setting
OSCILLATOR : Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
WINDING : Bidirectional self-winding via Perpetual rotor
POWER RESERVE : Approximately 72 hours
BRACELET : Oyster, three-piece solid links
BRACELET MATERIAL :18 ct Everose gold
CLASP : Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
DIAL : Bright black and Sundust set with diamonds
DETAILS : Highly legible Chromalight display with long-lasting blue luminescence
Gem settings : Diamonds in 18 ct gold settings
CERTIFICATION : Superlative Chronometer (COSC + Rolex certification after casing)