NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Photo sextant sights
From: Marcel Tschudin
Date: 2008 Aug 3, 11:36 +0300
From: Marcel Tschudin
Date: 2008 Aug 3, 11:36 +0300
Peter Fogg wrote: > ... non-functional at the same time, for different reasons. And those > digital watches, great as they are, need regular battery replacement. There are quartz watches with a generator, where a lithium accumulator is recharged with the energy of the arm movements. The accumulator is claimed to have a service life of over 10 years. See e.g. here http://www.tissot.ch/data/usersmanual/121-en.pdf I don't know whether there are other brands using this technique. --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
