No date???? Le Locle / Geneva, 14 April 2026 : When ZENITH introduced the El Primero in 1969, it did more than launch the world's first automatic, integrated high-frequency chronograph. It established a new standard of precision in mechanical watchmaking.
Le Locle / Geneva, 14 April 2026 : The CHRONOMASTER Sport stands at the intersection of legacy and forward momentum. Born from the El Primero, the world's first automatic, integrated high-frequency chronograph calibre, it carries more than five decades of
39mm Case Size The Movement Components: 157 Frequency: 18'000 Power reserve: 72 The Spiel The G.F.J. collection redefines chronometric excellence, honouring the legendary Calibre 135. This limited edition to 161 pieces in yellow gold features a captivatin
Compared to last year 's platinum model (which I reviewed here ), I think I feel happy that the “ brick ” finishing of the movement has been replaced by traditional Geneva stripes . However , the lapis lazuli and mother-of-pearl dial of the platinum versi