c1971 Serviced ROLEX Vintage DateJust 1601 Two-Tone 36mm cal.1570 #1611

Condition Rank : Very Good 
(Full serviced on August 10, 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 components. The leather strap is aftermarket.

[Features]
Rolex Datejust Ref.1601 / cal.1570 (hack) / 19,800 bph / 36mm case / 20mm lug
Year: c.1971 / Serial No: 275xxxx
30m water-resistance test passed.

[Collector’s Notes]
This two-tone Rolex Datejust Ref.1601 has the classic yellow-gold fluted bezel.
The dial has developed a light, even patina that gives the watch a softer vintage look.

[Dial] : Very Good
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
Lug edges remain well defined. Crown screw-in is good (approx. 1.3 turns to unlock). Serial engraving is clear.

[Band] : New
New aftermarket leather strap, not Rolex.

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

[Accuracy] : Very Good
About -4 to +10 sec/day. (Measured by Timegrapher)