Hamilton
Ventura H89421731— lug 17mm
Hamilton Ventura H89421731: 17mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 17mm lug width to preserve the original sartorial balance."
Technical Specifications
Hamilton H89421731The essential strap measurement.
Browse 17mm straps →H89421731
ETA caliber F05.111 Hours, Minutes, Seconds | Date
The Heritage
FAQ
What is the lug width of the Hamilton Ventura H89421731?
The lug width of the Hamilton Ventura H89421731 is precisely 17 millimetres. This measurement represents the distance between the two internal shoulders of the attachment points where the strap is inserted. It is a specific dimension that requires dedicated straps and does not allow approximations: a strap sized for 18 or 20 millimetres will not fit correctly on this case.
Which strap is most suitable for the Hamilton Ventura H89421731?
The ideal strap depends on intended use and aesthetic preference. For maximum elegance, an American alligator strap in brown or black enhances the sculptural nature of the asymmetrical case. For daily versatility with character, vegetable-tanned calf leather offers natural ageing and visible patina development. A technical NATO strap in robust cotton represents the structured casual option. FKM rubber is finally the practical choice for humid environments or sporting activities.
How do you change the strap on a Hamilton Ventura H89421731?
To change the strap, a spring bar tool (two-pronged or lever tool) is required. Position the spring bar tool in the small lateral slot of the lug, gently lift one end of the internal spring bar (the metal spring that retains the strap), remove the old strap, insert the end of the new strap in the same opening and release the spring bar so that the spring retains it firmly. Repeat the operation on the other side of the case.
Is an aftermarket strap compatible with the Hamilton Ventura H89420731?
Yes, any strap sized for 17mm lug width is completely compatible with the Hamilton Ventura H89421731. Compatibility is determined solely by lug width, not by watch brand. A made-to-order artisanal strap in quality watchmaking leather furthermore ensures perfect fit to the lug shoulders, without lateral play or compression.
How long does a leather strap last on a Hamilton Ventura H89421731?
The lifespan of a leather strap depends on the material, tanning method and usage. A quality alligator or calf strap with vegetable tanning lasts approximately 3-5 years in daily use, whilst developing a fascinating patina in the process. Exposure to perspiration, direct moisture and prolonged sunlight accelerates natural ageing. An FKM rubber strap has superior durability (5-8 years) as it resists moisture. Periodic maintenance with leather-specific creams significantly extends useful life.