The M-52B AF evokes the exceptionally rare Ollech & Wajs B-905 ‘US Airforce’ – a watch that was custom made more than half a century ago for airmen serving in Vietnam. It also salutes the longest-serving combat aircraft in history.
Year
2024
Dimensions
39.5 mm × 12.5 mm; 47.5 mm lug to lug
Case
39.5 mm × 12.5 mm; 47.5 mm lug to lug, brushed 316L stainless steel, screwed bottom, screwed crown, rotating steel bezel; made in the Swiss Jura
Bezel
60-minute Tactical Pilot’s bidirectional friction bezel
Glass
Sapphire with anti-reflective treatment
Dial
Hands and indexes in Super-LumiNova®
Water resistance
300Â m/ 30ATM
Movement
Automatic, bespoke Soprod P024; date-only calendar, with semi-instantaneous changes and quick adjustment using the crown; stop seconds; 4Hz 28,800 vibrations per hour; 25 jewels; 38-hour power reserve; lncabloc. Bespoke OW Zurich 1956 rotor, OW-engraved platine, custom screws, assembled for OW and adjusted in three positions
RAF strap
20 mm military-grade black nylon; finished in Switzerland; with a brushed stainless steel thorn buckle, signed ‘OWZ 1956’
M-Heritage bracelet
20 mm medium gauge, stainless steel mesh bracelet, hand-brushed, reinforced ends, with an OW-engraved thorn buckle. (Purchased as an additional item 126 CHF)
Origin
Handmade in the Swiss Jura
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