Seiko 4R36 -The Family In Brief

4r36b

In the past, Seiko have resurrected long discontinued calibres – the notable such reintroduction being the 4S15 (originally the 5246) which itself was received with much aplomb given its high beat of 28,800 bph, it’s hacking ability and the hand winding.  The 5246 was itself a very high grade calibre, more than capable of chronometer accuracy; indeed, it was utilised in various KS (King Seiko) models with official certification.  Having owned various models so equipped, I had a love hate relationship with the 4S15- it … Continue reading