The Ollech & Wajs P-104 S men's watch is designed to help pilots of military and non-military aircraft; thanks to a slide rule it is possible to determine the differential speed, the distance and other useful data for a pilot during the flight. It is built with a 39.56 mm (12.5 mm thick) steel case and a steel strap. The watch is powered by an ETA 2824-2 OW3 automatic mechanical movement.

- DIMENSIONS: 39.56 mm X 12.5 mm
- CASE: brushed 316L stainless steel, screwed back, screw-down crown, and circular slide rule bezel, manufactured in Jura, Switzerland.
- GLASS: sapphire with anti-glare treatment
- DIAL: hands and indexes in Super-LumiNova®
- WATER RESISTANCE: 300m/ 30atm
- MOVEMENT: automatic ETA 2824-2 OW3P, 25 Jewels. 28,800 bph, with a power reserve of +/- 38 h. Mainplate engraved Ollech & Wajs Zurich 1956, and OW machined rotor.
- ORIGIN: over 90% Swiss Made, excluding bracelet and packaging
- STRAP: 20mm 316L stainless steel beads of rice with double lock deployant clasp