Rolex Oyster Precision 4377 Semi California

unique patina - rare dial - radium lume

Rolex Oyster Precision 4377 Semi California - 1950s Rolex Oyster Precision
1950s Rolex Oyster Precision
unique patina
rare 'Semi California' dial with large Arabic numerals
original radium lume in markers and hands
detection of the material radium with the Geiger counter
old Rolex Oyster winding crown
crisp engraving of the serial number on the screw-down case back
manual wind caliber Rolex 710
reference number 4377 inside the case back
frozen history on the wrist

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Description
This 1957 Rolex Oyster Precision 4377 features a rare "Semi-California" radium dial. Both markers and hands still have the original radium luminous material.

This watch was stored in a safe for several decades, which is proven by the traces on the dial caused by the radiation from the radium in hands. Due to the fact that the watch was not wound for a very long time, the hand position was "frozen", causing the radioactive luminous material to react with the dial and the radium to leave its mark exactly where the hour and minute hands were. For discerning vintage collectors, this patina, which at first glance may appear to be some sort of defect, is proof of the pristine nature of this watch. Absolutely exceptional and not reproducible.

Thanks to the large Arabic numerals, the watch is not only easy to read, but also a real eye-catcher. Dials that have the triangular marker at 12 o'clock, rectangular markers at 3, 6 and 9, and Arabic numerals 1, 2, 4, 5, 7, 8, 10 and 11 are called Semi-California. A "California" dial, on the other hand, has Roman numerals at the top and Arabic numerals at the bottom.

Condition report
Dial: absolutely unique vintage patina - "burnt-in" radium - original radium luminous material, proven with the Geiger counter - signed with "SWISS MADE".

Case: stainless steel oyster case - natural wear marks - old screw-down Rolex oyster crown - crisp serial number on the case back.

Movement: manual winding caliber Rolex 710.

Summing-Up
The unique patina of this 1957 wristwatch tells its long story and offers stunning vintage charm on the wrist.

Serial number: 322xxx (1957)

Int.Exe.: 32707
Features

Manufacturer: Rolex

Model: Oyster Precision

Reference: 4377

Functions: screw-down crown - hour and minute - screwed-on caseback

Material: Stainless steel

Dial: silver

Watch glass: acrylic crystal

Bracelet: leather

Type of clasp: pin buckle

Diameter: 34mm

Caliber name: Rolex 710

Movement type: manual wound

Year of Manufacture: 1957

Stock No.: PTV1947

Overall condition: 8 - worn regularly - light signs of wear

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