The LUM-TEC B63 CHRONO is a 39mm timepiece, hand-assembled in Ohio with exceptional craftsmanship. Built from 316L surgical-grade stainless steel with a titanium carbide gunmetal PVD coating, it features a curved sapphire crystal, MDV® luminous technology, and a reliable Miyota OS20J chronograph movement. With 200-meter water resistance, an anti-shock mounting system, and two military-style straps, this limited edition of 300 pieces blends durability, functionality, and timeless style.
Specifications:
- Designed, assembled by hand and fully tested in Ohio
- Forged and heat treated 316L Surgical grade Stainless Steel 39mm case
- Titanium Carbide gunmetal PVD hard coating
- Anti-fingerprint coating
- Case thickness 13.4mm including the domed sapphire
- Case length (lug to lug) 46mm
- 20mm Lug width
- 200 meters water resistance
- Miyota Japan OS20J Chronograph movement
- Anti-shock movement mounting system
- Curved sapphire with military grade inner AR coating
- Threaded solid caseback
- Threaded crown with double diamond seals
- High tech Viton® gaskets
- Two military style straps included: One charcoal gray nylon and one tan leather with gunmetal PVD hardware
- All metal dial base with bead blasted matte PVD black finish
- Diamond-cut premium hand set with back-filled X1 C3 luminous application
- Lifetime free battery replacement, seal cleaning and pressure testing
- Limited and numbered series of 300 worldwide
- 2 year limited warranty