14270 is an Explorer model with a 36 mm diameter case, sapphire crystal, glossy black dial and caliber 3000 self-winding movement. In 2001, Rolex introduced the reference 114270, a new Explorer watch with caliber 3130. It was the last Explorer model with a 36 mm case. In 2010, the reference 214270 was replica watches released.This new generation explorer watch features a 39mm stainless steel case, black dial and caliber 3132.It has two dials: MK1 and MK2.The MK1 variants feature non-luminous 3-6-9 markers and The MK2 versions feature luminescent 3-6-9 markers.Rolex Explorer II White Dial Stainless Steel Oyster Bracelet Automatic Men's Watch 216570WSO(White) In 1971, rolex introduced the replica watch Ref.1655, a new Explorer watch equipped with a fixed 24h bezel, date window at 3 o'clock and an additional hour hand. With two separate hour hands, the watch provided the precise tracking of day time and the corresponding night time, which is very useful for speleologists . with Caliber 3085, this Explorer II was made available in black replica breitling and white dials. In 1989, the reference 16570 was introduced. Equipped with Caliber 3185, the ref. 16570 replaced the Rolex Explorer II reference 16550. The Rolex Explorer II 16570 models produced from 2007 to 2011 were equipped with caliber 3186. 2011 launched Rolex reference 216570, the latest Explorer II watch with a diameter of 42 mm in stainless steel with large crown guards and wide lugs. Equipped with Caliber 3187, this new reference is available in black and white color versions.