Technical Archive

Piaget
Altiplano G0A38139— lug 18mm

Piaget Altiplano G0A38139: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Altiplano Ultra Thin Automatic Pink Gold Diamond

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Piaget G0A38139
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

G0A38139

Movement

Piaget caliber 1205P Hours, Minutes, Small Seconds | Date

The Heritage

The Piaget Altiplano G0A38139 is a 40mm pink gold automatic watch representing the evolution of the 1957 icon. It features the caliber 1205P movement with hours, minutes, small seconds and date. The 18mm lug width maintains the balanced proportions characteristic of the ultra-thin Altiplano collection, requiring appropriately sized straps that respect the minimalist aesthetic of the case.

FAQ

What is the lug width of the Piaget Altiplano G0A38139?

The lug width (distance between the two lugs) of the Piaget Altiplano G0A38139 is 18mm. This measurement is critical when selecting an aftermarket strap to ensure proper fit and compatibility with the case.

Which strap material is best suited for the Piaget Altiplano G0A38139?

For a rose gold Piaget Altiplano, alligator or vegetable-tanned leather straps are recommended, as they enhance the sophistication of the case through material contrast and develop a natural patina over time. Alligator with fine grain is ideal for formal contexts, whilst vegetable-tanned leather offers daily versatility with harmonious ageing characteristics.

How do you change the strap on a Piaget Altiplano G0A38139?

Strap removal is performed by extracting the two spring bars that connect the strap to the case. Use a proper spring bar removal tool to carefully align and withdraw the bars without scratching the case. Once removed, align the new 18mm strap with the lug holes and reinsert the spring bars until fully secured.

Is an aftermarket strap compatible with the G0A38139?

Yes, any strap with an 18mm lug width is compatible with the Piaget Altiplano G0A38139, regardless of strap manufacturer. Verify that the strap measures exactly 18mm across the lug holes. Artisanal leather straps, particularly those in vegetable-tanned, alligator, or premium synthetic materials, are recommended to maintain construction quality consistent with the watch's value.

What is the average lifespan of a leather strap on the G0A38139?

A high-quality leather strap with vegetable tanning and artisanal construction maintains structural integrity for 2–4 years of daily wear with regular maintenance. Lifespan depends upon climate exposure, frequency of use, and conditioning treatments applied. Vegetable-tanned leather develops an attractive patina within the first 6–12 months when properly maintained.