This "London Edition" Patek Philippe Ref# 3970ER-028 is an extremely rare combination of rose gold with a stunning black dial that has a tachometer scale and a breguet numeral at 12 o'clock. This London Edition 3970ER-028 was produced in only 5 examples.

This watch is complete, accompanied with original certificate of origin, second case back, owners manual, factory plastic sleeve, hang tag, setting pin and presentation box. This example is like new and in excellent condition.

The 3970ER-028 perpetual calendar manual-wind watch, features a 36 mm case. This is a rose gold example with black dial and rose deployant buckle. Functions include hours, minutes, seconds, day, date, month, moon phase, leap year indicator, 24 hour indicator and chronograph.

The present watch is a re-introduction of the 3970 and was made in a limited number of five pieces celebrating the brands 175th anniversary and unveiled at the Art of the Watches Grand Exhibition in London in 2015. In addition to the rose gold example, Patek Philippe also released a platinum example with matching black dial. The watches retain the look and feel of the original iteration because they are produced from new old stock cases and movements.