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I’m Hiroyuki from Cadran Patiné in Japan — we specialize in vintage Rolex dress watches from around the 1970s.

Condition Rank : Very Good  
(Full serviced on October 5, 2026)

[Description of services]  
Full disassembly, cleaning, inspection, lubrication, and assembly.

[Originality Verified] - Authentic Original  
This Rolex Datejust is judged original and period-correct in its main configuration. The bracelet body is period-correct; the clasp is a later Rolex service replacement.

[Features]  
Rolex Datejust Ref. 1603 / cal. 1570 (w/hack) / 19,800 bph / 36mm case / 20mm lug  
Year: c. 1974 / Serial No: 366xxxx  
Non-waterproof.

[Collector’s Notes] 
The original silver sigma dial, marked “σ T SWISS T σ,” is a feature. The sigma marks indicate gold components on the dial.
The Ref.1603 is known for its engine-turned bezel, named after the repeating machine-cut grooves of traditional engine turning.  
The folded Jubilee suits this 1974 Datejust well. Its 62510H / S DT5 clasp was likely fitted during Rolex service around 2002.

[Dial] : Excellent  
It appears original. No clear signs of redial, repainting, or relume.

[Hands] : Very Good  
They appear original, with no clear signs of replacement or relume.

[Crystal] : Very Good  
Plexiglass.

[Case, crown and back of the case] : Very Good  
Light wear. Crown screw-in is good (approx. 0.7 turns). Serial engraving is clear.

[Band] : Good  
Rolex folded-link Jubilee, End 55, with later 62510H clasp. Some stretch. Fits approx. 19cm.

[Action] : Very Good  
Automatic, hand-winding and date change work properly.

[Accuracy] : Very Good  
About -1 to +16 sec/day. (Measured by Timegrapher)


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Shipping
Expedited Shipping(7~14days)
We ship from Japan via DHL.
Guaranteed for shipping accidents.

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