Written by 11:11 Watch Models

Selten M1 Moonphase

The Selten M1 Moonphase features exotic dial materials and a custom automatic movement displaying a large, photorealistic moon disc in a 39mm case.

The Selten M1 Moonphase showcases the brand’s ability to pair rare materials with mechanical design. Housing a large photorealistic moon disc at the center of dials crafted from meteorite, aventurine, or mother of pearl, it makes astronomical timekeeping accessible.

Overview

Brand: Selten
Model: M1 Moonphase
Collection: M1
Price: $799–$899 USD
Website: seltenwatch.com

Specifications

Case Diameter: 39.0mm
Thickness: 11.4mm
Lug to Lug: 45.5mm
Lug Width: 20.0mm
Water Resistance: 50m
Case Material: 316L Stainless Steel
Crystal: Sapphire
Strap/Bracelet: Leather Strap

Design & Wearability

Measuring 39mm with a short 45.5mm lug-to-lug, the M1 sits comfortably as a dress watch. Dials are carefully cut from natural stone, mother of pearl, or iron meteorite, ensuring that no two pieces are identical. The dial design is clean, with the moonphase display taking center stage.

Movement & Performance

Powering the watch is a customized Japanese Miyota 9015 automatic caliber. Operating at a high-beat frequency of 28,800 vph, the movement has been modified to support the large, rotating photorealistic moon disc. It provides a standard 42-hour power reserve.

Official Website

Selten M1 Moonphase product page

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Tags: , , , , , , Last modified: 27 May 2026
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