Rolex Explorer 16570 Chicchi di Mais - Box and Papers

This Rolex Explorer II reference 16570 is an exceptionally well-preserved example of the sought-after "Chicchi di Mais" dial variant.

Early dials like this one from 1991 were fitted with a special tritium luminous compound that develops a distinctive patina over time. The slightly grainy, warm-colored lume creates a beautiful contrast against the bright white dial. Italian collectors nicknamed this rare dial variant "Chicchi di Mais" ("corn kernels") due to the characteristic color of its tritium lume.

Introduced in 1989 as the successor to the reference 16550, the Explorer II ref. 16570 continued the evolution of the model line. With its independently adjustable second time zone, robust construction, and clean design, it was conceived as a reliable companion for explorers and travelers. To this day, collectors appreciate the reference for its balanced proportions, excellent wearing comfort, and outstanding everyday practicality.

According to the original papers, this particular watch was first sold in Geneva, Switzerland, in 1991. It is accompanied by its original chronometer certificate with punched serial number and country code 018 for Switzerland, the original green Rolex presentation box, and the matching outer box.

Another highlight is the watch's great condition. It shows only light signs of wear and is, in our opinion, in unpolished original condition. The original green Rolex caseback sticker is still present, while the dial remains flawless and displays an attractive patina across all luminous hour markers. Completing the package is the original Oyster bracelet with the correct date code in the clasp corresponding to the year of production.

A rare and highly collectible Explorer II that combines its distinctive dial variant with an honest original condition and excellent everyday wearability.

Condition
Dial: flawless white dial – original tritium luminous material in the hour markers and hands – signed "Rolex Oyster Perpetual Date Explorer II Superlative Chronometer Officially Certified Swiss - T < 25".

Case: stainless steel case in great condition – in our opinion unpolished – light signs of wear – original green Rolex caseback sticker still present – crisp reference and serial numbers between the lugs – correct caseback engravings – original screw-down Rolex crown – fixed 24-hour bezel in excellent condition.

Movement: automatic Rolex caliber 3185 with independently adjustable 12-hour hand – timegrapher results: rate +5 seconds/day, beat error 0.2 ms, amplitude 275°.

Bracelet: original stainless steel Oyster bracelet – natural signs of wear – little to no stretch – full length, adjustable from 18.6 to 20.6 cm – reference 78360 – 501B end links – clasp code O10 (1990).

Serial number: N115xxx (1990)

Int.Exe.: 23662