Martian meteorite

Tissint

A very fresh witnessed Martian fall with low terrestrial weathering. Graham used it as a 1.70 mm moving Mars sphere on an orrery dial.

The specimen

Classification
Martian olivine-phyric shergottite
Event
observed fall
Where
Oued Drâa valley east of Tata, near Tissint, Morocco
When it fell
2011-07-18
Found
stones recovered beginning in 2011
Known mass
more than 7 kg
Still cut for dials
No longer (as of 2026-08-21)

The documented Graham model was an eight-piece 2017 limited edition.

Watches

No watch in this catalog is recorded as carrying a Tissint dial yet. The models below are what the research documents.

  • Graham Tourbillon Orrery (2017)Moving sphere

    Geo.Graham

    2GGBP.U01A

    1.70 mm moving Mars sphere on the dial

    Source

Sources