1960s Technos Sky Diver | Ref. 1163, Swiss T<25This is a Technos Sky Diver Ref. 1163 from the 1960s. It has all the elements you would look for in a dive watch, packed into a relatively compact yet very wearable 38mm case. As indicated on the dial, Swiss T<25, this Technos Sky Diver features a less common dial with Tritium lume on the hour markers and luminous hands. It comes with a signed screw down crown and a screw in case back with clear and legible engravings. The Technos Sky Diver uses a