Achondrite meteorite
Erg Chech 002
Also called EC 002, Erg Chech (watchmaker shorthand)
An ancient andesite-like achondrite interpreted as crust from an early differentiated protoplanet; among the oldest known magmatic rocks.
The specimen
- Classification
- Ungrouped achondrite
- Event
- find
- Where
- Erg Chech sand sea, Adrar, Algeria
- When it fell
- fall date unknown
- Found
- 2020-05
- Known mass
- 31.78 kg
- Still cut for dials
- Yes (as of 2026-08-21)
Used as a limited Cosmopolis dial insert.
Watches
No watch in this catalog is recorded as carrying a Erg Chech 002 dial yet. The models below are what the research documents.
- Louis Moinet CosmopolisInset fragment
Cosmic Art / Cosmopolis
LM-135.50.CO · LM-135.50.25 · LM-135.50.55 · LM-135.20.20 · LM-135.20.50
small meteorite insert mounted on the dial; one of twelve named meteorites
Source
Sources
- louismoinet.com — Louis Moinet CosmopolisErg Chech dial insert and references
- lpi.usra.edu — Meteoritical Bulletin No. 109formal scientific description
- Meteoritical Bulletin Database — Erg Chech 002official name, location, May 2020 find, classification and mass