Hamilton · Timeless Classic
Strap for Thin-O-Matic
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter38 mm
ReferenceH38415581
FamilyTimeless Classic
MovementETA caliber 2824-2 hours, minutes, seconds | date
CaseStainless Steel
Straps for the Timeless Classic H38415581
Selected for the 20 mm lug width · workshop selection
Hammered calfskin strap in cuoio€98
Grey Hammered Leather Strap with Ecru Stitching€98
Brown Saffiano Leather Strap€90
Black Saffiano Rubber Strap€105
Dark Brown Calfskin Military Strap€80
The Timeless Classic H38415581, seen from the bench
The Hamilton Timeless Classic H38415581 embodies American watchmaking with Swiss roots, launched in Hamilton's Timeless Classic collection. The 38mm stainless steel case features a clean dial, shaped hands, and pure design free from excessive decoration. Powered by an ETA caliber 2824-2 automatic movement with approximately 40 hours of power reserve and 28,800 vibrations per second, it offers hours, minutes, seconds, and date functions. The 20mm lug width ensures compatibility with aftermarket straps and maintains balanced proportions on the case.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only