Technical Archive

Hamilton
Khaki Field H70695735— lug 20mm

Hamilton Khaki Field H70695735: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Khaki Field Automatic Day Date PVD / Black

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Hamilton H70695735
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

H70695735

Movement

Hamilton caliber H-30 Hours, Minutes, Seconds | Date, Day

The Heritage

The Khaki Field represents the modern evolution of the Hamilton military watches produced for the US Army during World War II. It features the automatic H-30 caliber with hours, minutes, seconds, date and day of the week indications. The model has 20mm lugs and maintains the functional aesthetic typical of field instruments.

FAQ

What is the exact lug width of the Hamilton Khaki Field H70695735?

The lug width of the Hamilton Khaki Field H70695735 is 20mm. This measurement defines the distance between the two lugs (attachment points) on the case where the strap is inserted. A 20mm strap ensures a perfect fit without lateral play. You can verify compatibility by measuring with a digital calliper between the inner edges of the lugs.

Which strap do you recommend for the H70695735?

For the Hamilton Khaki Field H70695735, we recommend an alligator leather strap with vegetable tanning (dark brown hue) for a refined aesthetic, or a natural Pueblo calf if you prefer organic ageing. Those seeking practicality should opt for a woven textile NATO, whilst an FKM rubber offers durability in humid environments. The choice depends on your use case: formal, daily wear, or sporty.

How do you change the strap on the Hamilton Khaki Field H70695735?

Strap replacement requires a dedicated spring bar tool. Position the watch on a stable surface, insert the tool's tip into the lug release hole, apply gentle pressure to lift the internal spring, and disconnect the previous strap. Repeat on the other lug. Insert the new 20mm strap the same way, ensuring the springs click into place. Avoid excessive force to prevent damage to the lugs.

Is an aftermarket 20mm strap compatible with this watch?

Yes, any aftermarket 20mm strap is compatible with the Hamilton Khaki Field H70695735. The standardised lug width allows immediate interchangeability between different brands, provided the strap has appropriate spring bars. Always verify the declared width before purchase and consider leather thickness: excessively stiff leather may require an initial break-in period.

How long does a leather strap last on a watch like the Khaki Field?

Leather strap longevity depends on tanning quality and usage patterns. A premium vegetable-tanned leather, worn daily in normal conditions, typically lasts 2–4 years. Humid environments, intense perspiration, and mechanical stress reduce this estimate to 18–24 months. Ageing is cosmetic: the strap develops patina and unique chromatic shifts. Dry it when wet, avoid prolonged sun exposure, and consider replacement as an aesthetic refresh opportunity.