Diatom Watches

Active

Sheffield, England, United KingdomEst. 2023Dr. Chris Rose & Dr. Alex Baker$500–$1,300 Website

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Philosophy

Minimalist Exotic Materials Unique

Release Archive

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Terra Meteorite Graphite

5 colorways

2025USD $2,950

39.5mm Sellita SW200-1 100m WR

Blue Dot

3 colorways

2023USD $895

42mm Swiss Ronda 3540D 100m WR

Grey Dot

2024USD $1,375

42mm Swiss Ronda 3540D 100m WR

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Sourcing & Build

Needs Confirmation

Case origin

Switzerland

Dial origin

Namibia (technically)

Hands origin

Switzerland

Lume type

Super-LumiNova

Movements

Swiss Sellita SW200

Swiss Ronda 3540D

Automatic SL4802

Sourcing Notes: Dial material is Gibeon meteorite (Namibia origin). Movements are Swiss Sellita SW200-1 (Terra Meteorite) and a quartz module (Blue Dot). Watches are assembled in the UK and flown to near-space (approximately 120,000 feet) on the founders own launch platform before delivery. Apollo 11 Command Module material is incorporated into Terra Meteorite chapter rings with documented provenance.

Cost Transparency

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Ships from Sheffield, United Kingdom

Tariff absorbed

Tariff absorbed by the brand

This brand covers import duties — the listed price is what you pay.

Free UK, USA and EU shipping including all duties and tariffs

UK had separate framework deal. Relevant for Farer, Bremont, Christopher Ward, anOrdain.

Tariffs are assessed based on where the watch is assembled, not where individual components originate. A watch with a Japanese movement assembled in the US incurs no import duty.

Learn more about watch tariffs

This page was last updated: June 6, 2026 at 4 am