NH TYPE 4A-1

Production quantity: 15 pieces to be produced between 2024 and 2025
Dial finished in dark grey by DLC treatment on German Silver, Arabic indexes hand-engraved
Hand-wound movement Cal. 3020CS, central seconds, strong and responsive winding
28,800/hour, 45-hour power reserve
Machined 904L stainless steel case, screw-in case back
Water-resistant to 5 ATM
Diameter 36 mm, lug to lug 42.9 mm, thickness 11 mm

Specifications

Newly designed main and balance bridge, clock, click spring for pursuing a comfortable winding.

Case material: Stainless steel (SUS 904L)
Polished after machining by ultra-high-precision micro-milling machine
Case diameter: 36.0mm
Case thickness: 11.0mm
Glass: Strongly curved sapphire crystal with a shape reminiscent of vintage acrylic windshields (anti-reflective treatment on double sides).
Case Back: Screw Case Back

Dial material: Dial in dark grey DLC-coated German silver with hand-engraved arabic indexes.
Brand logo: Engraving by ultra-precision micro-milling machine
Minute, Second scale: Engraving by ultra-high-precision micro-milling machine
The seconds scale ring on the outer edge of the dial is made of a separate component.
Indexes: Hand-engraved
Logos, indices and graduations inked in ivory-coloured cashew (so-called synthetic lacquer).
Material of hour and minutes hand: Steel
Finish of hour and minutes hand and second hand: Polished finish
Tip of the seconds hand bent by hand to match the seconds scale.