Nautical QM-10 chronograph, front view, in a square wooden frame with a white dial and black numerals.

Nautical Cronographer QM-10-High accuracy for navigation

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The Nautical QM-10 chronograph of Eurosul brass is a high precision time measurement instrument used in maritime navigation to determine longitude accurately. Originating in the Greek concept of “Chronos” (time), the nautical timer is critical for marking the position of the ship in combination with the use of sextant.
Designed to operate with stability in environments subject to temperature, humidity and vibration variations, QM-10 has low mechanical friction and high reliability, being ideal for nautical, scientific and industrial applications that require autonomous and accurate time reference.

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EUROSUL Code:

091402

Product Description Documentation

Features
Construction: High-durability brass
Mechanism: Precision with low friction
Stability: High resistance to environmental variations
Design: Traditional, for mounting on bridges or technical rooms
Application: Used with sextant for geographic position verification

Applications
Precision maritime navigation
Positioning with sextant in open sea
Scientific and industrial settings requiring autonomous timekeeping
Onboard use in commercial, research, and institutional vessels

Benefits
high time accuracy for astronomical navigation
mechanical stability under adverse conditions
ideal for continuous use on bridges and maritime laboratories
reliable instrument for nautical professionals