172 Tiny Tweaks

Some­times, in­cre­men­tal changes are all that are needed to make a clas­sic an even greater suc­cess

World of Watches (Singapore) - - Contents - WORDS RUCKDEE CHOTJINDA

Some­times, in­cre­men­tal changes are all that are needed to make a clas­sic even greater

IN HIGH GEAR

Rolex de­liv­ers the fifth it­er­a­tion of its well-loved Oys­ter Per­pet­ual Cos­mo­graph Day­tona, with a Cer­achrom bezel this time

Florida’s Day­tona Beach has seen mo­tor rac­ing since 1903. This was where the land speed record was bro­ken sev­eral times, in­clud­ing one at 445km/h, set in 1935 by Sir Mal­colm Camp­bell while wear­ing a Rolex Oys­ter watch. When the man­u­fac­ture in­tro­duced its chronograph in 1963, it was with mo­tor­sports in mind, hence the name Cos­mo­graph Day­tona. An im­proved ver­sion fol­lowed two years later with the reg­u­lar push­ers re­placed by screw-down ones to pre­vent ac­ci­den­tal ac­ti­va­tion and to im­prove wa­ter re­sis­tance. The new ver­sion also had its tachymeter scale ren­dered in black.

No ma­jor re­vamp was in­tro­duced un­til 1988 when the Day­tona was up­sized from 36mm to 40mm and equipped with a self-wind­ing move­ment. These aes­thet­ics were main­tained when the watch’s move­ment was later changed to the in-house Cal­i­bre 4130. Re­li­a­bil­ity was im­proved with 60 per cent fewer parts, and the watch’s run­ning time was ex­tended to 72 hours with the new move­ment’s larger main­spring. Cal­i­bre 4130 also had a Parachrom hair­spring, made of a nio­bium, zir­co­nium, and oxy­gen al­loy, which promised en­hanced pre­ci­sion with its greater re­sis­tance to mag­netic fields, tem­per­a­ture vari­a­tions, and small shocks.

For its fifth (and highly an­tic­i­pated) ma­jor up­grade, the Rolex Oys­ter Per­pet­ual Cos­mo­graph Day­tona re­tains its 40 mm case size and move­ment, but now comes with a black ceramic bezel rem­i­nis­cent of the 1965 model. The new bezel is made of scratchre­sis­tant Cer­achrom in­stead of the orig­i­nal’s sim­ple Plex­i­glas. A sub­tle but im­por­tant tech­ni­cal de­tail to note is the plat­inum coat­ing on the tachymeter scale en­grav­ings, which is a per­fect match to the white gold hour mark­ers and hands.

Buy­ers can choose be­tween the white lac­quer dial model with black snailed coun­ters, and the black lac­quer dial model with grey snailed coun­ters. Ei­ther way, with Rolex’s in-house Su­perla­tive Chronome­ter cer­ti­fi­ca­tion, the watch is guar­an­teed to de­liver an ac­cu­racy of -2/+2 sec­onds per day. It comes with a five-year war­ranty. MOVE­MENT Self-wind­ing Rolex Cal­i­bre 4130 chronograph move­ment with 72-hour power re­serve

CASE 40mm in steel, wa­ter re­sis­tant to 100m STRAP Steel Oys­ter with steel Oys­ter­lock de­ploy­ant buckle PRICE Un­avail­able

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