Reference:6234: Difference between revisions
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==Movement notes== | ==Movement notes== | ||
[[File:Ref 6234 detail.webp|thumb|right|260px|Steel 6234 close-up (Revolution / Tom Ng, 2017)]] | [[File:Ref 6234 detail.webp|thumb|right|260px|Steel 6234 close-up (Revolution / Tom Ng, 2017)|alt=Steel 6234 close-up (Revolution / Tom Ng, 2017)]] | ||
Inside is the Valjoux 72, the column-wheel, lateral-clutch, tri-compax chronograph base that goes on to power the entire manual-wind Daytona line through to the 6263 / 6265. Period Rolex and contemporary auction-house lot text use Cal. 72 or Cal. 72A for the bare Valjoux ebauche with Rolex finishing, before the Rolex caliber-stamp progression that arrives on the second-series 6238 redesign as cal 722. Sheldrake records a transitional state at the end of the run: the cal 72B, with Rolex finishing held over from the late 6234 into the first series of the 6238, runs out the 6234 production window before the cal 722 redesign brings the Rolex caliber stamp itself. | Inside is the Valjoux 72, the column-wheel, lateral-clutch, tri-compax chronograph base that goes on to power the entire manual-wind Daytona line through to the 6263 / 6265. Period Rolex and contemporary auction-house lot text use Cal. 72 or Cal. 72A for the bare Valjoux ebauche with Rolex finishing, before the Rolex caliber-stamp progression that arrives on the second-series 6238 redesign as cal 722. Sheldrake records a transitional state at the end of the run: the cal 72B, with Rolex finishing held over from the late 6234 into the first series of the 6238, runs out the 6234 production window before the cal 722 redesign brings the Rolex caliber stamp itself. | ||
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The US-market scales-in-Miles dials are the other documented variation. The Miles-calibrated scales and the ROW import code on the movement line up with the 14k yellow gold examples following the lower-duty US import market, which points at a single supplier-routing logic rather than a separate Rolex-side variant programme. | The US-market scales-in-Miles dials are the other documented variation. The Miles-calibrated scales and the ROW import code on the movement line up with the 14k yellow gold examples following the lower-duty US import market, which points at a single supplier-routing logic rather than a separate Rolex-side variant programme. | ||
[[File:Ref 6234 japanese-no-lume.webp|thumb|right|260px|Japanese-market 6234 dial — "T SWISS T" text without lume on dial or hands. Photo courtesy Teddy Dewitte (A Collected Man / Sheldrake 2020)]] | [[File:Ref 6234 japanese-no-lume.webp|thumb|right|260px|Japanese-market 6234 dial — "T SWISS T" text without lume on dial or hands. Photo courtesy Teddy Dewitte (A Collected Man / Sheldrake 2020)|alt=Japanese-market 6234 dial — "T SWISS T" text without lume on dial or hands. Photo courtesy Teddy Dewitte (A Collected Man / Sheldrake 2020)]] | ||
The Japanese-market no-lume variant sits in its own category. Documented by Dewitte through one example in his own collection plus several others observed at Pre-Daytona auctions, the variant is the cleanest evidence in the published 6234 literature for a destination-market dial / hand modification that operates outside the standard catalogue. Surviving examples retain the printed "T SWISS T" line under the Rolex signature at six o'clock; the dial and hands carry no lume, with no signs of lume removal — the lume application step was simply skipped at the Rolex workshop, and lume-channel-less hands fitted in place of the standard tritium hands. | The Japanese-market no-lume variant sits in its own category. Documented by Dewitte through one example in his own collection plus several others observed at Pre-Daytona auctions, the variant is the cleanest evidence in the published 6234 literature for a destination-market dial / hand modification that operates outside the standard catalogue. Surviving examples retain the printed "T SWISS T" line under the Rolex signature at six o'clock; the dial and hands carry no lume, with no signs of lume removal — the lume application step was simply skipped at the Rolex workshop, and lume-channel-less hands fitted in place of the standard tritium hands. | ||