Laco Ulm 42,5mm Special Models handwinding

The Laco Ulm 42.5 mm Special Models is a high-end pilot’s watch that revives the essence of historic Flieger navigation watches, combining a classic Type A design with a large-format mechanical movement finished to the highest standards.
This model stands out for its strong wrist presence and authentic character, designed for collectors and enthusiasts seeking a traditional pilot watch with faithful historical aesthetics and a beautifully finished visible movement.
Inside, it features a hand-wound Laco 98 movement, based on the legendary ETA 6498.2 in Top grade, decorated with Côtes de Genève bridges, thermally blued screws, sunray-finished ratchet and crown wheels, and a ratchet wheel engraved with the Laco logo. This caliber follows a classic execution without a stop-seconds function, respecting its historical configuration.
The case is crafted from stainless steel with polished and sandblasted finishes, offering a perfect balance between elegance and instrumental character. It is fitted with an anti-reflective sapphire crystal and a screw-down case back with an extra-large sapphire display window, allowing an impressive view of the large mechanical movement.
The matte black dial follows the original navigator watch execution with a Type A layout, featuring Arabic numerals and indexes filled with Super-LumiNova C3 and a small seconds subdial at 6 o’clock, ensuring clear and precise legibility even in low-light conditions.
All hands are thermally blued and filled with Super-LumiNova C3, providing excellent visibility and elegant contrast against the dial.
The watch is completed with a brown leather strap fitted with a stainless steel buckle, enhancing its classic appearance while ensuring comfort and security on the wrist.
With its 42.5 mm diameter and balanced proportions, the Laco Ulm Special Models delivers a bold and authentic wrist presence, ideal for those who appreciate large-format Flieger watches with refined mechanical execution.
Technical specifications:
Movement: hand-wound Laco 98 (base ETA 6498.2, Top grade), no stop-seconds function
Movement decoration: Côtes de Genève, blued screws, sunray-finished wheels and engraved Laco logo
Case: stainless steel with polished and sandblasted finishes
Crystal: sapphire crystal with anti-reflective coating
Case back: screw-down with extra-large sapphire display window
Dial: matte black, Type A, with Super-LumiNova C3
Hands: thermally blued with Super-LumiNova C3
Strap: brown leather strap with stainless steel buckle
Diameter: 42.5 mm
Height: 11.0 mm
Lug width: 22.0 mm
Lug to lug: 49.8 mm
Water resistance: up to 10 ATM
Weight: 80 g (including strap)
Wrist circumference: 17.0 – 21.0 cm
Presentation: Laco watch box including outer cardboard box