Uhrenarmband für IWC Portofino - Siena Blue Boxed Stitch LeatherIf it comes to choosing the most exclusive vegetable tanned leathers from the famous Italian tanneries, to create the most stunning straps, we pay a visit to our Italian Artisan Jean Paul Menicucci. Siena Leather is from the finest vegetable tanned calf leather, and each individual strap is aged and distressed for a luxurious vintage appeal. The additional oiling enhances the rich burnt tones, giving it exceptional depth. Many steps are necessary to

- Submariner Date Reference 1680

and a central second hand

) and features a lovely

Rolex officially referred to them as "Lacquered Stella" in internal documents

- Manual wind movement Valjoux 22

as we truly believe it might just be one of the finest and most extraordinary pieces still in existence

and the watch is fitted with a great Oyster bracelet

- Tropical "nipple" dial turned to a honey color with blue edges

We have found a fantastic example to offer you guys

this watch is one of his designs that seems to still be a little under the radar

This burgundy version features a clean tonal stitching as well as the special metal matte keepers and laser-etched Bulang and Sons buckle

This watch comes on a fresh Patek Philippe leather strap with an 18k white gold Calatrava cross folding clasp