The Grönefeld 1941 Principia is named after Isaac Newton’s ‘Philosophiae Naturalis Principia Mathematica.’ It combines classic styling with a beautifully finished automatic movement, representing the brothers’ dedication to horology.
Overview
Brand: Grönefeld
Model: 1941 Principia
Collection: 1941
Price: €34,500 EUR
Website: gronefeld.com
Specifications
Case Diameter: 39.5mm
Thickness: 10.5mm
Lug to Lug: 48.0mm
Lug Width: 20.0mm
Water Resistance: 30m
Case Material: 316L Stainless Steel
Crystal: Sapphire
Strap/Bracelet: Leather Strap
Design & Wearability
The 39.5mm case features elegant hollowed lugs and polished bevels. The dial is available in multiple finishes, completed with applied indices and a sub-seconds register at 6 o’clock.
Movement & Performance
The watch is driven by the Calibre G-06 automatic movement. It features bell-shaped stainless steel bridges, finished with frosted centers and mirror-polished bevels, completed by a solid 22k gold rotor, visible through the caseback.
Official Website
Grönefeld 1941 Principia product page






