Design · 2025-11-20
H. Moser Streamliner Perpetual Moon: a meteorite dial and a moon that barely needs correcting
Gibeon meteorite's crystalline pattern meets a precise 1,027-year moonphase mechanism inside a 40 mm Streamliner with 72-hour automatic movement.
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By Chronolume digest · Original English summary · Based on H. Moser & Cie. official specification; 20 November 2025 announcement

What to know
The dial of H. Moser & Cie's Streamliner Perpetual Moon Concept Meteorite is made from Gibeon meteorite, whose naturally formed Widmanstätten pattern makes every surface distinct. A warm gold fumé treatment intensifies the iron-nickel crystal structure. Almost everything else has been removed: no conventional hour markers, no logo and only the hands and a moon aperture to distract from the material.
The 40 mm steel case has an integrated bracelet and houses the HMC 270 automatic movement with 72 hours of reserve. Its moonphase display deviates by only one day every 1,027 years. Despite the name, this is a high-precision moonphase watch rather than a perpetual-calendar complication. Announced in November 2025, it is listed by Moser at CHF 35,000 excluding VAT.

At a glance
| Reference | 6270-1200 |
|---|---|
| Case | 40 mm steel |
| Movement | HMC 270 automatic |
| Power reserve | 72 hours |
| Complication | Moonphase accurate to 1 day per 1,027 years |
| Water resistance | 120 m |
| Dial | Gibeon meteorite, golden fumé |
| Price | CHF 35,000 excl. VAT |
Explore the watches
H. Moser & Cie. Streamliner Perpetual Moon Concept Meteorite 6270-1200 · 6270-1200 ↗
Source & attribution
H. Moser & Cie. official specification; 20 November 2025 announcement · Published 2025-11-20 ↗
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