Condition Rank : Good
(Full serviced on Feb 18, 2026)
[Description of services]
Full disassembly, cleaning, inspection, lubrication, and assembly.
[Originality Verified]
The watch is judged to be original and period-correct in its main configuration.
Case and caseback, dial, movement, hands, bezel, and bracelet are considered original, and the period consistency is good.
[Features]
Ref.1601 / cal.1570 (with hack) / 19,800 bph / 36mm case (excluding crown) / 20mm lug
Year of manufacture: c. 1973 / Serial No: 337xxxx
A rare original blue dial with sigma marks, paired with a fluted bezel. It also comes with a Rolex Jubilee bracelet (Ref.6251H, End 55) with relatively little stretch for its age.
Water resistance test was not passed, so please avoid water exposure during use.
[Dial] : Good
It appears to remain in original condition.
Not refinished, not repainted, with no clear signs of relume.
[Hands] : Good
No clear signs of hand replacement or relume.
[Crystal] : Very Good
Plexiglass
[Case/Crown/Caseback] : Good
Crown screw-in is good. (approx. 1.2 turns to unlock)
The case serial engraving is readable.
[Band] : Good
Rolex Jubilee bracelet (Ref.6251H / End 55)
Wrist size: approx. 18.0 cm
[Action] : Very Good
Hand-winding and automatic winding work properly.
Date change works properly around midnight (non-quickset).
[Accuracy] : Very Good
About -17 to -5 sec/day. (Measured by Timegrapher)
