Hamilton · Chrono-Matic
Strap for Chrono-Matic 50 Auto Chrono Limited Edition
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 diameter49 mm
ReferenceH51616731
FamilyChrono-Matic
MovementHamilton caliber H-31 hours, minutes, small seconds | date | Chronograph
Year2019
Straps for the Chrono-Matic H51616731
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 Chrono-Matic H51616731, seen from the bench
The Hamilton Chrono-Matic H51616731 features the Caliber H-31, an automatic chronograph movement with hours, minutes, small seconds, and date window. The stainless steel case measures 48.5mm in diameter with a 20mm lug width, offering 100 meters of water resistance. This reissue reinterprets the 1969 Caliber 11 heritage with a decentered crown at 9 o'clock and asymmetric layout, designed for daily urban timekeeping.
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