Chronometers - Navigation and Communication

Marine chronometers are precision timekeeping instruments used aboard ships for navigation, celestial observations, voyage records, and accurate time reference for communication systems. They may be mechanical or quartz-controlled and are supplied as standalone instruments or bridge-mounted units.

ProShipWorks provides end-to-end support to source and supply Chronometers for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.

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Product Information

Product Name Chronometers
Product Category Navigation and Communication
Product Reference 181
Brands / Manufacturers Wempe, Weems & Plath, Thomas Mercer
Unit of Measure Piece

Key Features

Key Feature
1.   High-accuracy timekeeping for marine navigation
2.   Mechanical or quartz-controlled operation
3.   Stable performance under vessel motion and vibration
4.   Clear time display for bridge and navigation use
5.   Designed for reliable operation in marine environments

Applications of Chronometers

Application
1.  Celestial navigation and determination of longitude
2.  Bridge time reference and navigation records
3.  Time reference for radio and satellite communication logs

Standards, Certifications & Class Approval

Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.

Applicable Standards & Certification ISO 8728, Ships and marine technology — Marine chronometers, is the principal international standard applicable to marine chronometer performance. Individual products may also have manufacturer calibration or observatory test documentation.
Class Approval Marine chronometers are not normally subject to mandatory hull or machinery classification approval. Acceptance requirements may be specified by the vessel owner, flag administration, or classification society for particular navigation installations.

Installation, Maintenance & Safety Information

Installation Notes Install on a stable, accessible bridge or navigation-office surface, away from excessive vibration, magnetic fields, heat, moisture, and direct sunlight. Mechanical units should be correctly leveled and secured according to the manufacturer instructions.
Maintenance Tips Wind mechanical chronometers consistently at the specified interval and never force the winding mechanism. Keep the case and glass clean, check rate accuracy against a trusted reference, and arrange periodic servicing and calibration by an authorized specialist.
Safety Notes Handle precision mechanisms carefully and protect them from shock, seawater, condensation, and unauthorized adjustment. Do not use an unverified chronometer as the sole source for safety-critical navigation or communication timing.

Request a Quote for Chronometers

Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.

  • Vessel name and IMO number
  • ETA / vessel schedule
  • Berth or vessel location
  • Required quantity
  • Preferred delivery window
  • Shipping agent contact details

Other Navigation and Communication Products

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