The dial configuration and design resonate with cockpit control panels, oversized indexes and chequered hands are applied with orange Super-LumiNova® for maximum readability.

Its robust mechanical movement ETA 2824-2 OW3, adjusted in five positions, makes the P-104 a reliable navigation tool for high-flying pilots. The movement’s mainplate is engraved with ‘Ollech & Wajs Zurich 1956’ and fitted with our own machined rotor, bearing the famous OW propellor monogram.

In keeping with Ollech & Wajs’s long-held reputation for extreme water resistance, the P-104 boasts a depth rating of 300 m / 30ATM – impressive for a dive watch, let alone a pilot’s watch. The watch is assembled and adjusted in Haute-Sorne in the Swiss Jura, at the historic workshop that has served OW for over 60 years.

The P-104 S comes on the OW S-type Mark II beads-of-rice, stainless steel bracelet. This bracelet was inspired by those found on past Ollech & Wajs models of the 1960s. Its links are individually machined in a solid block of 316L stainless steel, before being carefully brushed and screwed together by hand. This process prevents the usual stretching common among pressed steel bracelets, ensuring both longevity and comfort to the wearer. The bracelet’s double-lock deployant clasp prevents accidental opening.

The P-104 is presented on a premium-quality, highly durable and water-resistant RAF regimental-style nylon band. Alternatively there is a 20 mm-wide Italian black leather and natural linen strap, lined with a soft tan underside and debossed with the OW marque. Both strap and band are hand-finished in Switzerland with a brushed stainless steel thorn buckle, signed ‘OWZ 1956’.

Today’s OW Navichron is powered by a Valjoux 7753-based two-counter chronograph. It follows a long tradition of Valjoux chronographs, with highly regarded historical references such as the V72, V92, V7730, V7733 and V7750. OW has devised its own Precision rating, reserved for movements of only the highest quality. We start with a Valjoux 7753, with a brutalist matte finish, which we then reassemble with our own machined rotor, bearing the famous OW propellor monogram. We engrave the mainplate with ‘Ollech & Wajs Zurich 1956’, before removing the hours counter. We then reassemble the watch, regulate it and test its precision in five positions as well as its duration.

The OW Navichron retains a 12-hour sliding bezel, enabling travellers to determine time across different zones. It is also a highly capable professional diving watch and, as with the inaugural 1967 Navichron, has a 20-minute diving scale on the bezel. It has a specially reinforced case; extra-thick sapphire glass; and unique four-gasket pushers, capable of withstanding over 50ATM of pressure. Its markers and hands feature Super-LumiNova®, ensuring maximum visibility in all conditions, above and below the surface.

The OW NAVICHRON S is presented on the OW S-type Mark II bracelet, inspired by those found on many Ollech & Wajs models of the 1960s. Its links are individually machined in a solid block of 316L stainless steel, before being carefully brushed, assembled and screwed by hand. This process prevents the usual stretching common among pressed steel bracelets, ensuring both longevity and comfort to the wearer. The bracelet’s double-lock deployant clasp prevents accidental opening.

The OW NAVICHRON comes on an aged, natural leather and linen vintage, racing-style strap, handmade by one of Italy’s finest tanneries. The luxury strap is completed with a brushed stainless steel thorn buckle, signed ‘OWZ 1956’.

The  P-101’s  bi-direction, 12-hour friction bezel is a throwback to one of OW’s best-known combat watches, the ref. 105. Its elongated lugs and oversized crown can be evidenced on several historic models from OW’s back catalogue. The tritium-tone Super-LumiNova® indexes – baton hands under a semi-domed sapphire glass wall – evoke a bygone era of watchmaking.

The P-101’s robust mechanical movement ETA 2824-2 OW3, adjusted in five positions, ensures it can be relied on to perform consistently in the most critical of moments. The movement’s mainplate is engraved with ‘Ollech & Wajs Zurich 1956’ and fitted with our own machined rotor, bearing the famous OW propellor monogram.

In keeping with all Ollech & Wajs Vietnam-era military and dive watches, the P-101 is extremely water-resistant, with a 300 m / 30ATM depth rating. The watch is assembled and adjusted in Haute-Sorne in the Swiss Jura, at the historic workshop that has served OW for over 60 years.

The P-101 S comes on the OW S-type Mark II beads-of-rice, stainless steel bracelet. This bracelet was inspired by those found on past Ollech & Wajs models of the 1960s. Its links are individually machined in a solid block of 316L stainless steel, before being carefully brushed and screwed together by hand. This process prevents the usual stretching common among pressed steel bracelets, ensuring both longevity and comfort to the wearer. The bracelet’s double-lock deployant clasp prevents accidental opening.

The P-101 comes on a 20 mm-wide Italian Cognac leather and natural linen strap, unpolished to give it a soft, tactile, vintage feel. Alternatively there is a 20 mm-wide Italian black leather and natural linen strap, lined with a soft tan underside and debossed with the OW marque. Both straps are hand-finished in Switzerland with a brushed stainless steel thorn buckle, signed ‘OWZ 1956’.

The P-101 pays tribute to the thousands of soldiers, sailors and airmen who placed their trust in OW watches when their survival might have depended on it. You can be confident it will not let you down when you need it most.