Don't miss the next drop
This Gruen Precision reference, in our opinion, is the most quietly important watch in the entire 007 canon. It is the reference Sean Connery wore on his own wrist as James Bond in Dr. No in 1962, identified four decades after the fact by Bond researcher Dell Deaton, and the gold-plated, stainless-steel-backed configuration you are looking at is exactly the configuration that walked into the chemin-de-fer scene where the words “Bond, James Bond” are spoken on film for the first time. Decades of marketing money have since been spent on later Bond watches. None of them was first.
Gruen Watch Co. was founded in 1894 by Dietrich Gruen, a German watchmaker who emigrated to Columbus, Ohio, and built one of the few genuinely transatlantic watch companies of the twentieth century, American head office, Swiss manufacture, and a movement catalog that for a stretch in the 1950s and early 1960s could stand against Omega and Longines on technical merit. Precision was the Gruen sub-line reserved for watches that met an internal chronometric specification, the same way Longines used Admiral or Omega used Constellation, and the 510 sits near the top of that tradition.
The caliber 510 is the heart of the story. Introduced in 1959 and produced through the mid-1960s, it was one of the last manual movements Gruen designed and built in-house before the company’s American identity fractured under quartz pressure later that decade. Seventeen jewels, 18,000 vibrations per hour, sub-seconds at six, and a stable 48-hour power reserve, with the classic Gruen architecture you can read directly off the bridge in our movement photographs: the @GRUEN WATCH Co. signature, SEVENTEEN 17 JEWELS in orange enamel, SWISS, the UNADJUSTED stamp, and the orange-cartouche 510 caliber mark sitting square in the center of the main bridge. To us, the 510 is the movement that justifies the entire Gruen Precision line, a workhorse manual with the finish and the reliability to wear daily six decades after it left Switzerland.
The case is the configuration the Bond researchers spend the most time confirming. The bezel, lugs, and case band are gold-plated over a steel core, and the snap-on caseback is solid stainless steel, exactly the construction that appears on the Dr. No film stills. Inner caseback verbatim: STAINLESS STEEL BACK / GRUEN WATCH Co / SWITZERLAND, with the period three-digit case identifier stamped below. The case measures 33.3mm across with a 41mm lug-to-lug and an 18mm lug width, dimensions that read as deliberate and dressy on a modern wrist rather than small. The gold plating shows the honest light hairlines a sixty-year-old watch should carry across the bezel and upper case band, and the stainless caseback wears the soft tooling marks of decades of careful service openings without any deep gouging or rotational scarring.
The dial is where the Gruen Precision 510 develops its own visual fingerprint, and on this example it is exactly the layout the Bond reference is identified by. Cream-toned, very lightly aged into a warm off-white, with applied gold triple-line markers at the 12, 3, 6 and 9 positions and slim single applied batons at the remaining hour positions, the signature 12/3/6/9 starburst layout collectors use to authenticate the reference. The GRUEN logo and PRECISION sub-text print in black sits cleanly below the 12. Gold dauphine hour and minute hands sweep across an unmarred surface, and the sub-seconds register at 6 carries a fine crosshair pattern with a slim dauphine seconds hand running over it. SWISS prints discreetly at the base of the dial, which places the dial in the pre-tritium configuration consistent with the early-1960s production window and means there is no luminous compound on the dial or hands to manage. The surface is intact across the entire face, with no refinishing marks, no script touch-ups, and no marker re-application visible under loupe.
The crown is the period-correct knurled gold-plated Gruen-style pull-out, sitting at three, with the positive winding click the 510 should deliver across the full mainspring travel. The acrylic crystal sits clear and lightly domed above the dial.
We have paired the watch with one of our mud-grey saffiano leather straps with cream contrast stitching and an OTTUHR signed buckle. The grey picks up the cool side of the cream dial without competing with the gold case, and the saffiano grain adds a touch of structured formality that suits the dressy late-Bond-era Precision character without leaning costume.
Serviced in-house at OTTUHR and backed by our 2-year mechanical warranty, this is the kind of vintage Gruen Precision 510 we get genuinely excited about. Factory original dial, period-correct crown, intact 12/3/6/9 starburst configuration, gold-plated front case over its stainless steel back, and the in-house caliber 510 that put Gruen on Sean Connery’s wrist in 1962. For the collector who is more interested in actual film-screen provenance than in marketing copy, who values quiet importance over loud branding, and who wants the watch that started the entire James Bond timepiece tradition before any later licensing deal existed, this is, to us, the one to own.
