That makes this Seiko Prospex 1965 Revival a really interesting ... which is a must for a modern dive watch. Inside, you'll find a 6R55 movement which is accurate to within -15/+25 seconds per ...
The obscure reissue is one of the best-looking and most affordable vintage Seikos, with a legendary movement and unique dial ...
Last year, in typically understated Japanese fashion, Seiko quietly introduced its 6R55 and 6R5J calibres – the latest ...