The Heuer Autavia Mareographe, ref. 2446C SF from the early 1970ies. There are obviously "Orvis" branded and "A&F" branded versions around but it seems that the "Heuer" branded are by far the rarest. I really like this iteration of the Autavia. Cheers, HS

… yet loveable nonetheless, 2446C GMT Mk4 with its GF bead of rice bracelet. Being a birth year watch makes it a little bit more special to me Regards

... the, fairly rare, Heuer Autavia Mareographe ref. 2446C SF from the early 1970ies. Cheers, HSTE

.... here with the Heuer Autavia Mareographe ref. 2446C SF from the early 1970ies. Cheers, HSTE

.....built in the early 1970ies. "Orvis" branded, "A&F" branded and a very small batch of "Heuer" branded dials. Cheers, HSTE

... the Heuer Autavia Mareographe ref. 2446C SF Cheers, HSTE

....and it is powered by a Valjoux 7730. Production was only during 1969 and serial bands are 133xxx and 134xxx. The first generation „Skipper“ was cased into a „Carrera“ 2447 case and it was called „Skipperera“. Moving thereafter into the Autavia case pr

Left to right: - Autavia 3646 „big eyes“ - Autavia 2446C for the Air Force of Argentina (Emblem on case back) - Autavia 2446C SF „Mareographe“ - Autavia 7764 „Skipper“ in a 2446C case - Autavia 2446C GMT Cheers, HSTE

Heuer Autavia Mareographe ref. 2446C SF Cheers, HSTE

Abercrombie & Fitch, back then a sporting goods store offering fishing, camping, climbing and other gear, commissioned Heuer in the late 1940ies to produce a watch that would allow to follow the tidal movements. The story goes that young Jack Heuer, o