Strap for Aquis Date Calibre 400 43.5 Payoon Limited Edition

The lug width of the 01 400 7763 4117-Set model is 24mm. This measurement represents the space between the two lugs (attachment points) on the case. To verify correctly, measure perpendicularly from the centre of the top lug to the centre of the bottom lug, passing through the widest point of the case diameter. All straps for this model must strictly respect this 24mm width to ensure precise and secure fitment.

The choice depends on intended use. For regular diving, we recommend a vulcanised rubber strap with slip-resistant treads, waterproof and quick-drying characteristics. For predominantly urban wear, vegetable-tanned calf leather offers a patina that improves with age, or chrome-tanned satinised calf that maintains rigidity and resists occasional spillage. A synthetic NATO strap represents a versatile compromise between sport and elegance. All options are available in 24mm width from our catalogue.

To change the strap, position the watch on a soft surface. You will use a dedicated tool (spring bar tool) to push the elastic lug pin inward, freeing one end of the strap. Repeat on the other lug. To install the new strap, position the elastic pin in the lateral slots of one end only, then gently press the watch toward the strap so the pin clicks into its seat. Repeat on the opposite side. Avoid forcing to prevent pin damage. If preferred, Casati Milano offers personalisation assistance by appointment.

Yes, all artisanal straps certified for 24mm lug width are compatible with the Oris Aquis 01 400 7763 4117-Set, as the model uses standard lugs. Milano Straps supplies a curated selection of straps in vegetable-tanned leather, technical rubber, synthetic textiles and cordura, verified for mechanical compatibility and construction quality. We recommend verifying the width specified on the product sheet before purchase and consulting comparative fitting photos to visualise proportions and colour coordination.

Longevity depends on tanning method and usage. A calf leather strap with vegetable tanning, worn occasionally in a dry urban environment, maintains structural integrity for 5–8 years before replacement becomes necessary for aesthetic degradation. With frequent contact with water, sea salt and humidity, lifespan reduces to 2–4 years. A vulcanised rubber strap lasts 8–12 years under ordinary conditions. Shell cordovan is not recommended for Aquis due to regular water exposure. Casati Milano advises seasonal rotation between different straps to extend the average lifespan of each.