Strap for Saint-Imier Date 30 Diamond

The lug width is 15mm. This measurement is specific to the L2.563.0.87.2 version and is calculated from the internal width of the lug holes on the case. To verify compatibility, measure perpendicular with a digital calliper from edge to edge across the internal lug opening.

Genuine alligator represents aesthetic excellence for this timepiece: the natural grain emphasises the vintage-inspired character of the watch. Alternatively, vegetable-tanned calf offers beautiful aging over time, developing authentic patina. Shell cordovan is ideal for those seeking compact texture and superior durability. For occasional sports contexts, a cotton NATO in natural tones maintains stylistic coherence.

The Saint-Imier uses a passant with deployante clasp. Manually unscrew the upper lug of the strap from its attachment hole, then grasp the deployante clasp and slide the strap from the case. Aligning the new strap, insert the lower lug into its attachment hole first, then screw the upper lug clockwise until securely locked. Avoid excessive tightening to prevent damage to the lug holes.

Yes, any strap with 15mm lug width is compatible. Milano Straps manufactures artisanal 15mm straps certified for this reference, with customisation options (colour, length, stitching type). Always verify that the deployante clasp is compatible with the case width (approximately 18-19mm).

A premium leather strap (alligator, calf, shell cordovan) with regular maintenance lasts 3-5 years before requiring replacement, depending on usage. Vegetable-tanned leather ages beautifully, developing patina and character over time. If exposed to constant humidity or extreme dry heat, wear accelerates. Casati Milano's 18-month warranty covers manufacturing defects, not natural leather wear.