Oyster Perpetual 41 White Dial and the hour markers and

and the hour markers and crown riveted by hand

and black onyx

A fixed inverted red triangle on the dial points to the chosen reference time - the time at home or at the traveller's usual workplace - on the off-centre 24-hour disc

which is also guilloché With the introduction of a dial created via guillochage

Oyster Perpetual 41 White Dial and the hour markers andGreen Dial The colours created for the Oyster Perpetual range start life as a lacquer, which must be meticulously applied in a controlled atmosphere environment to avoid dust and other contamination. The brass plate of the dial base receives layer upon layer of lacquer, six in all, to form a regular, uniform surface. The last step is varnishing and polishing to bring out the full brilliance and depth of colour. The various inscriptions are then pad