Tag Archives: 36000BPH Movement

Longines Ultra Chron 1967

Posted on 26/02/2024 by robswatches

“The world’s  most accurate watch” When released in 1967, the Longines boasted that it’s Ultra Chron was “The world’s most accurate watch”. A bold call! But, even bolder, they took the unusual step of specifying its accuracy to be within … Continue reading →

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Seiko Lord Marvel, 1967

Posted on 07/04/2022 by robswatches

A pure Experiment The accuracy of a watch depends on many factors; one of those is beat rate, which is the frequency at which the balance wheel oscillates. Or, put more simply, the faster it ticks, the more accurate it … Continue reading →

Posted in Hi Beat Movement, Seiko | Tagged , , , , , | 2 Comments