Zenith Chronomaster Original 38mm 03.3200.3600/21.C903 2022 [Preowned] 2535.80.00 The sunray finish allows the

The sunray finish allows the color to shift from a brilliant electric blue to a soft metallic azure depending on the light

The distinctive notched bezel

" making it the ultimate benchmark for collectors who value both racing heritage and horological future

designed for both comfort and presence on the wrist

Zenith Chronomaster Original 38mm 03.3200.3600/21.C903 2022 [Preowned] 2535.80.00 The sunray finish allows theOverview The El Primero that Zenith introduced in 1969 was not just an automatic chronograph; it was the fastest production chronograph movement available, beating at 5Hz (36,000 vph) when most competitors ran at 3Hz or 4Hz. That frequency gap was not marketing: it produced a chronograph capable of 1 10th second resolution from a standard automatic movement. The 03. 3200. 3600 21. C903 Chronomaster Original is the contemporary vehicle for that