40MM VH31 Quartz Solid Bronze pilot sweep second Swiss Super C1 Luminous 5ATM CUSN8 Sapphire Crystal

The 40mm VH31 Quartz Bronze Pilot Watch combines vintage aviation style with modern reliability. Powered by the precise Seiko VH31 sweeping-second quartz movement (14400 frequency, hacking, 2-year battery), it features a solid CuSn8 tin bronze case and a double-domed crystal (mineral or synthetic sapphire) with inner AR coating. The matte black dial and hands are treated with Swiss NLC1/SLC1 super luminous for a bright, long-lasting glow. With 50m water resistance, a dual-gasket push-pull crown, and a screw-in solid caseback, this watch is built for everyday wear. Available with an imported top-grain leather or nylon strap.

Full Spec List:

• Model: CUSN8 Bronze Pilot Series

• Function: 3-hand (hour, minute, second)

• Movement: Seiko VH31 quartz, 14400 frequency, hacking, 2-year battery

• Case Material: CuSn8 tin bronze

• Case Diameter: 40mm

• Case Thickness: 10mm (excluding crystal)

• Lug Width: 20mm

• Lug to Lug：48mm

• Wrist Fit: 16–19cm

• Case Construction: Swiss 2-piece case, brushed bezel and case, polished caseback

• Crystal Shape: Double-domed (not flat)

• Crystal Material: Mineral reinforced (hardness 7) or  sapphire (hardness 9)

• Crystal Coating: Inner AR coating

• Water Resistance: 50m (5ATM) – suitable for daily handwashing

• Dial: Matte black base with Swiss NLC1 super luminous markers

• Hands: Swiss SLC1 super luminous

• Crown: Dual-gasket push-pull

• Caseback: Screw-in solid

• Strap Material: Imported top-grain leather or nylon

• Clasp: Solid stainless steel buckle, brushed finish, thickened hardware