Zenith · Chronomaster Sport
Strap for Chronomaster Sport Yoshida Yellow Gold / Black / Bracelet
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 diameter41 mm
Reference30.3100.3600-1/21.M3100
FamilyChronomaster Sport
MovementZenith caliber El Primero 3600 hours, minutes, small seconds | date | Chronograph, column wheel
Year2024
CaseYellow Gold
Straps for the Chronomaster Sport 30.3100.3600-1/21.M3100
Selected for the 20 mm lug width · workshop selection
Black Rubberized Alligator Strap with Red Tribal Stitching€185
Matte Dark Gray Alligator Strap€195
Millennium Green Alligator Strap — Minimal Stitching€149
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Calfskin Strap Light Blue€98
The Chronomaster Sport 30.3100.3600-1/21.M3100, seen from the bench
The Zenith Chronomaster Sport yellow gold model 30.3100.3600-1/21.M3100 represents the modern evolution of a line rooted in chronograph legend. This 41mm yellow gold case houses the El Primero 3600 automatic movement, a column-wheel chronograph beating at 5Hz (36,000 vph) for 1/10-second resolution. The lug-to-lug distance is 20mm, featuring applied numerals, geometric indices, and three subdials organized by chronograph function, with water resistance to 100 meters.
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