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The Encyclopedia of Horology

Wristwatch · Le Locle

“Rockwatch “

Verified

The dial and case are made from one piece of granite. The watch, which has a quartz movement, is fitted with a steel back and a scratch-resistant sapphire crystal.

Technical facts

Inventory number
MIH VII-10
Object type
Wristwatch
Place of production
Le Locle
Dating
1988
Materials and techniques (catalogue wording)
Pierre naturelle
Dimensions (catalogue)
dimensions min/max: 26 x 30 mm
Inscriptions (catalogue)
TISSOT Swiss Made (Cadran); Genuine RockWatch Swiss Quartz R 150 (Fond du boîtier)

Historical significance

  • The dial and case are made from one piece of granite. The watch, which has a quartz movement, is fitted with a steel back and a scratch-resistant sapphire crystal.

Photographs

“Rockwatch “ (MIH VII-10)
“Rockwatch “ (MIH VII-10) — Musée international d'horlogerie, La Chaux-de-Fonds, Museum collection photograph, rights review pending. MIH collection record

Photographs are illustrative examples of the type, not necessarily the exact object described. Verify details against the source file page.

Sources & references

  1. Musée international d'horlogerie, online collection record, inv. VII-10: https://collection.mih.ch/fr/collection/item/32976/

Where sources disagree, the disagreement is stated rather than resolved silently.