A Natural Extension of the Deep Challenger Series

The JH0203 expands the Deep Challenger series by introducing a chronograph function while retaining the essence of a professional dive watch. It is a natural progression for the collection: the same robust case structure, the same 300-meter water resistance, now enhanced with mechanical timing capability through a purpose-designed chronograph layout.

Its bold, purposeful aesthetic and tool-watch spirit remain completely intact.

Powered by the China Peacock SL4801

Inside the JH0203 is the China Peacock SL4801 automatic chronograph movement—a reliable caliber featuring a classic 3-6-9 subdial configuration. The movement delivers smooth operation and consistent timekeeping performance.

The chronograph pushers are screw-down, providing added protection and ensuring that water resistance is maintained during underwater use or daily wear. Despite the added complication, the dial remains clean and legible, in keeping with the Deep Challenger’s design approach.

Specifications

• Case Diameter: 42 mm
• Lug-to-Lug: 49 mm
• Thickness: 14.8 mm (including crystal)
• Crystal: Sapphire with triple inner AR coating
• Water Resistance: 300 meters
• Lug Width: 20 mm

Dial and Readability

The JH0203 features a semi-matte black textured dial with a wave-pattern surface that adds depth without distraction.

The 3-6-9 subdial layout includes:

• 30-minute counter at 3 o’clock
• 12-hour counter at 9 o’clock
• Small seconds at 6 o’clock

All hour markers and hands are filled with C3 green Super-LumiNova, ensuring excellent legibility in low light and underwater environments.

A Professional Diver First

While the chronograph adds versatility, the JH0203 is fundamentally a professional diver’s watch. It retains the Deep Challenger identity—robust, functional, and built for demanding conditions. For those who appreciate a capable tool watch with added mechanical interest, the JH0203 delivers both without compromise.

Finally, thank you for watching!

C.JH