Super Precision Dial · Super Precision, Underline

34mm Explorer 5500 — Super Precision Dial · Super Precision, Underline

c. 1964

Black gilt dial with a printed underline just below “Super Precision”.

Identifying details

Explorer dial
Arabic 3, 6 and 9 hour markers.
Underline
Printed underline in the dial text; understood to mark low-radiation tritium lume, c. 1962–64.

Switch between variants of this reference. The current variant is highlighted.
Variant	Production
Precision Dial	c. 1966–c. 1967
Super Precision Dial	c. 1963–c. 1964
Super Precision Dial · Super Precision, UnderlineCurrent	c. 1964

More specifications (2)

Rolex 1530

First used in the Submariner with ref. 5510. Evolved during production: jewel count rose from 17 up to 26, and rotor and gear finishes changed.

Automatic · Introduced 1957 · 17 / 24 / 25 / 26 jewels

Identifying details

Explorer dial

Arabic 3, 6 and 9 hour markers.

Underline

Printed underline in the dial text; understood to mark low-radiation tritium lume, c. 1962–64.

Variant

Production

c. 1966–c. 1967

c. 1963–c. 1964

c. 1964

Movement

Rolex 1530

First used in the Submariner with ref. 5510. Evolved during production: jewel count rose from 17 up to 26, and rotor and gear finishes changed.

Automatic · Introduced 1957 · 17 / 24 / 25 / 26 jewels