The Zenith Defy Revival A3643 faithfully reinterprets a pivotal design from 1969. Its 37mm stainless steel case retains the original model's robust octagonal shape and distinctive fourteen-sided bezel, while the sunray silver dial features layered rhodium-plated hour markers, luminous hands, an orange-accented seconds hand and a date display at 4:30. The emblematic stainless steel ladder bracelet recalls the design originally created exclusively for Zenith by Gay Freres.

A sapphire crystal case back reveals the Swiss-made Elite 670 automatic movement and its openworked Zenith star rotor. Operating at 28,800 vibrations per hour, the movement displays the hours, minutes, central seconds and date while delivering an approximately 50-hour power reserve. Scratch-resistant sapphire crystal and substantial water resistance to 300 metres give this historically inspired Zenith watch impressive everyday resilience.

• Powered by the Swiss made automatic Elite 670 movement with 27 jewels and a power reserve of up to 50 hours
• Presented on a silver stainless steel bracelet
• Domed, scratch resistant sapphire crystal with anti-reflective treatment on both sides
• 37.0mm case width & 44.0mm case length measuring from lug to lug
• 300 metre water resistance