Strap for Presence 25.5 Automatic Stainless Steel / Black - Diamond / Bracelet

The Longines Presence L4.321.4.97.6 features a 13mm lug width. This is a particularly refined dimension that establishes balanced proportionality on a case measuring only 25.50mm in diameter. To verify strap compatibility, measure the distance between the case lugs or consult the original Longines documentation.

Alligator leather remains the most natural choice for the Presence: its fine and regular grain amplifies the watch's discretion. Vegetable-tanned leather offers patina that evolves over time. For daily versatility, quality rubber or fabric maintain classical aesthetics. Your choice depends on personal style and desired pairings.

The strap is changed using a spring bar removal tool. Insert the tool into the small slot beneath the lug to compress the internal spring, then gently extract the lug. Repeat on the opposite side. When installing your new strap, ensure the lugs are fully inserted into the case attachments and that the spring is properly positioned.

Yes, aftermarket straps with a 13mm lug width are fully compatible with the Presence L4.321.4.97.6. Always verify that your strap is specified for 13mm lugs and that materials—whether alligator, vegetable-tanned leather, rubber, or fabric—are of artisanal quality to maintain this watch's elegant coherence.

A quality artisanal leather strap typically lasts 3–5 years with regular wear, depending on climate, humidity, and frequency of use. Vegetable-tanned leather tends to age more visibly, developing characteristic patina. Casati Milano straps include an 18-month warranty and can be restored through their sartorial expertise.