One Piece Nato Brown Chestnut Leather Watch Strap LUG WIDTH IN MM:20 The tritium lume on the

The tritium lume on the hour plots and hands has aged nicely to a mellow colour

There is also an aperture at six that shows whether the chrono is running or not

the lume is zinc-sulphide

with sigma markings at the bottom signifying that the hour markers are in 18kt gold

One Piece Nato Brown Chestnut Leather Watch Strap LUG WIDTH IN MM:20 The tritium lume on theHardly Minimalist A fresh minimalist take on our Chestnut Nato strap, this warm brown natural leather watch strap features an extra wide leather keeper and an unobtrusive tonal line stitch. To complete the hardy yet elegant look, the strap has no extra padding and features our very own Square Buckle. Handcrafted by Italian Artisan JPM. Length: 24,5 cm (9. 65 in.) Buckle sizes: Lug width 20 mm = 20 mm fixed buckle. Equipped with a special Panerai style