Two Tone Canvas Black-Brown

Price: $136.99 include standard buckle, or $169.99 for Patek Nautilus model, without buckle.
Thickness: Approx 4mm and thin down to 2.5mm, depending on the watch.
Style: It’s a black canvas with brown discoloration on some areas.
Availability of material: Available!
Launched: June 28, 2019.
Waterproof: Never been tested.