WHY THIS WATCH MATTERS
From the engraved caseback and signed rotor to the sunburst dial and dramatic lugs, this Jules Jürgensen provides unusually many small details to appreciate. Its restored crystal and surviving surface wear sit comfortably alongside its mechanical character.
THE HARD DETAILS
| Maker | Jules Jürgensen |
| Model / Family | Est. 1740 automatic |
| Case/reference markings | 64043 exterior caseback; 51007 stamped on rotor (not confirmed caliber) |
| Approximate production | Likely 1960s to early 1970s; not verified |
| Country / production | Swiss-signed automatic movement; W.M.R. marked case |
| Movement type / caliber | 17-jewel Swiss automatic rotor movement signed JULES JURGENSEN CORP; caliber unidentified |
| Jewels | 17 |
| Functions | Hours, minutes and central seconds; no calendar |
| Case material | All-stainless-steel case and back, faceted angular lugs; W.M.R. inner-back marking |
| Case diameter | 33.6 mm |
| Lug-to-lug | 42 mm |
| Thickness | 10.7 mm |
| Lug width | 17.5 mm |
| Dial | Silver sunburst dial with applied faceted markers, raised crown emblem, Est. 1740 inscription and central seconds; no date |
| Crystal | Replaced high-domed crystal; material unverified |
| Strap | Black crocodile-grain two-piece strap, likely aftermarket |
| Caseback | ALL STAINLESS STEEL, ANTIMAGNETIC, SHOCKPROTECTED, AUTOMATIC and 64043; W.M.R. inside |
| Running and setting | Running well, time setting works per owner. Daily rate and power reserve not measured. |
| Water resistance | Not pressure tested; keep dry |
| Timing / frequency | Not measured |
| Hands | Silver-tone pointed/faceted hour/minute hands with slim sweep seconds and minor oxidation |
| Bezel | Fixed smooth polished stainless-steel bezel |
| Crown | Unsigned knurled rounded steel-tone crown at 3; setting works per owner |
| Crystal originality | Replacement; material unverified |
| Dial originality | Not independently authenticated |
| Hacking / seconds stop | Not tested |
| Date / quickset | Not applicable |
| Service and restoration | Crystal replacement and lubrication reported; no full overhaul documented |
| Condition notes | Scratches to polished case and faceted lugs; scattered dial specks, logo patina and aged hands |
OPERATING CONDITION
Running well, time setting works per owner. Daily rate and power reserve not measured.
Rate, amplitude, beat error and reserve have not been measured; no chronometer performance is implied.
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WHAT WAS DONE
Owner reports replacement crystal and lubrication. No comprehensive movement service recorded.
CONDITION & ORIGINALITY
Fine scratches and scuffs across polished case and lugs; small dial spots, aged raised emblem and slight hand oxidation.
Dial, hands and case originality are assessed from photos and markings rather than authenticated factory records. Replacement crystal is documented.
THE STORY OF THIS WATCH
A silver sunburst dial can change its personality with the light. On this Jules Jürgensen, long faceted hour markers seem to lift from the dial, and the angular stainless-steel lugs bring a crisp architectural edge to an otherwise classic dress watch.
The raised crown and Est. 1740 signature invite a look backward through the family name's history. Inside is a signed seventeen-jewel Swiss automatic movement — not a machine from the eighteenth century, but a thoughtful continuation of mechanical timekeeping into the modern wristwatch era.
REFERENCE & MODEL HISTORY
The stainless-steel caseback is numbered 64043; the rotor bears 51007, which has not been established as the base movement caliber. The inner caseback bears W.M.R. The observed identifiers are recorded for future research, but do not independently identify a named factory collection. The dial's Est. 1740 references the brand lineage rather than this watch's manufacturing year.
ABOUT THE BRAND
The Jürgensen watchmaking lineage reaches back to the Danish enterprise founded in 1740. Jules Frederik Jürgensen expanded the family's watchmaking connections with Switzerland. Across the twentieth century, changing ownership and distribution took the name into later generations of wristwatches, including examples carrying Swiss movements in cases supplied for other markets.
FOUND DETAILS
Production: Likely 1960s to early 1970s; not verified
Case: All-stainless-steel case and back, faceted angular lugs; W.M.R. inner-back marking
Dimensions: 33.6 mm diameter × 42 mm lug-to-lug × 10.7 mm thick; 17.5 mm lug width
Movement: 17-jewel Swiss automatic rotor movement signed JULES JURGENSEN CORP; caliber unidentified
Operation: Running well, time setting works per owner. Daily rate and power reserve not measured.
Work: Owner reports replacement crystal and lubrication. No comprehensive movement service recorded.
WHAT COMES WITH THE WATCH
The pictured Jules Jürgensen wristwatch with its fitted strap. Original box, papers and additional accessories are not documented.
A NOTE ON VINTAGE
Vintage mechanical watch with period wear and no current water-resistance certification. Photographs are part of the condition description. Precision may vary according to position, use and service history.
PHOTOGRAPHED PURELY. SOLD HONESTLY.
These photographs are intended to show the watch as accurately as possible—the wear, the patina, the imperfections, and the details that matter. If there is something you want to see more closely before buying, ask.














