Technical Archive

Hamilton
Lady Hamilton H31271113— lug 20mm

Hamilton Lady Hamilton H31271113: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Lady Hamilton Vintage Quartz Stainless Steel / MOP

Artisanal Note

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

Technical Specifications

Hamilton H31271113
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

H31271113

Movement

ETA caliber 280.002 Hours, Minutes | Date

The Heritage

The Lady Hamilton from Hamilton is equipped with the ETA 280.002 caliber with hour, minute and date indication. The movement offers essential functions for daily use with a reliable mechanism. The reference H31271113 represents a proposal from the American brand in the women's segment.

FAQ

What is the exact lug width of the Hamilton Lady Hamilton H31271113?

The Hamilton Lady Hamilton H31271113 is equipped with a 20mm lug width. This measurement is specific to the 15mm rectangular case and ensures balanced visual proportions. All compatible 20mm straps will fit perfectly onto the standard lugs of this model.

Which strap is most suitable for the Lady Hamilton H31271113?

For the Lady Hamilton we recommend premium leather straps: alligator for maximum luxury, cognac or brown calf for classic elegance, or pull-up calf for a more contemporary feel. A raw cotton NATO or satin rubber strap are excellent choices for daily wear. The stainless steel case is enhanced by natural and warm tones.

How do I change the strap on the Hamilton Lady Hamilton H31271113?

The Lady Hamilton features standard bayonet lugs. Remove the previous strap using a flat lever tool (springbar tool) to gently compress the internal spring of the lug. Insert the new strap by sliding the lug into the seat, ensuring the spring mechanism engages correctly.

Does an aftermarket strap compromise the authenticity of my Hamilton Lady Hamilton H31271113?

Absolutely not. Using quality aftermarket straps is an established and celebrated practice among collectors. A handcrafted premium leather strap actually represents a qualitative upgrade over original straps. The quality of craftsmanship and materials is what truly matters.

How long does a natural leather strap last on the Hamilton Lady Hamilton H31271113?

A certified quality leather strap, with proper maintenance, typically lasts 3-5 years of regular use. The natural aging of leather creates a patina that makes the strap even more appealing. To extend its life, avoid prolonged moisture exposure and occasionally apply specialized leather balms.