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There are a handful of vintage Longines case designs that telegraph their era from across a room, and this Longines Automatic Admiral 5 Star reference is, in our opinion, one of them. The cushion-cased Admiral references of the late 1960s and early 1970s are unmistakably of their moment, with bold scooped lugs that sweep down from the bezel and integrate dramatically into the strap line, the kind of confident case geometry the industry stopped producing somewhere around 1976. We have always had a soft spot for them, and finding a 5 Star variant in this state of preservation is a quiet pleasure.
Founded in 1832 in Saint-Imier, Longines built its modern reputation on precision timekeeping accolades, Olympic timing assignments, and a back catalogue of in-house calibers that punched well above the brand’s price tier. The Admiral line was introduced in the early 1960s as Longines’s confident, sport-leaning automatic dress watch, and the 5 Star designation, denoted by the five small gold stars set above the ADMIRAL signature at six o’clock, was the brand’s internal high-grade quality assertion. It was not COSC chronometer certification, but it was Longines’s way of saying that the movement inside had been tested and adjusted to a tighter standard than their general production. It is a quiet flex, and we have always found it endearing.
The caliber 505 in this example is a genuinely interesting movement in its own right. A 17-jewel automatic running at 19,800 vph with a full-rotor architecture and roughly 40 hours of power reserve, the 505 was Longines’s direct replacement for the earlier caliber 501 and brought one critical improvement to the table: a quickset date adjusted by pushing the crown, a small ergonomic step that anyone who has ever set the date on a non-quickset vintage automatic will appreciate. Many of its parts remain interchangeable with the 501 it replaced, which makes long-term serviceability more relaxed than it has any right to be. Production ran from roughly 1969 into the mid-1970s, and the 505 powered some of the most stylistically interesting Admiral and Conquest variants of the era. It is not the most exotic Longines caliber in collector lore, but it is honest, well-finished, and known for going decades between services when treated kindly.
The case itself measures 36mm across the cushion by 38mm lug-to-lug, with 18mm lug spacing and a gold-plated bezel and body sitting on a stainless steel caseback. The outer caseback carries the STAINLESS STEEL stamping clearly visible across the brushed central disc, while the inner caseback is signed with the Longines winged hourglass logo and reads SWISS MADE, 505, 12051 in clean block lettering. Inspecting the case shows honest wear consistent with five decades of considered use, with light scuffs along the flanks of the scooped lugs and softer marks on the bezel, but the gold plating remains strong with no obvious brassing through on the visible surfaces. The acrylic crystal carries faint surface marks but reads clearly, and the original crown is in place and threads correctly. Beautifully balanced architecture from a period when Swiss case design was at its most expressive.
The dial is a wonderfully clean silvered sunburst that catches light in long radial sweeps across its surface, carrying the signature Longines winged hourglass logo and the Automatic script signature at twelve, the framed white date aperture at three, the five gold stars sitting proudly above the ADMIRAL designation at six, and the Swiss notation printed neatly between the markers at the bottom of the dial. Applied gold faceted baton hour markers with a slim black painted center stripe march around the perimeter, and the long faceted baton hands echo that same black-stripe inset language, all of which gives the dial a wonderfully cohesive visual rhythm. The factory-original silvered finish has held its character beautifully, with no flaking, refinishing, or oxidation tracking, just the quiet, even warmth that comes from a properly stored example.
We have paired it on one of our blue grained leather straps with white contrast stitching on an OTTUHR buckle, a combination that pulls the warm gold tones of the case into a fresher, more confident direction and gives the whole package an easy, slightly preppy feel that suits the Admiral’s character perfectly.
Serviced in-house at OTTUHR and backed by our 2-year mechanical warranty. For the collector who values bold case geometry over conservative round dress watches, who appreciates an honest in-house Swiss automatic that will reward decades of regular wear, the Longines Automatic Admiral 5 Star is, to us, one of the great undervalued chapters in vintage Longines history.
