Seiko 5 SRP135K1 Sports 100 Quick Review

srp135F

The introduction of the 4R36 movement from Seiko brought with it a relatively large tide of new models in the Seiko 5 Sports range.  Previously, the majority of the Sports offerings were equipped with the 23 jewel 7S36 calibre, a 2 jewel upgrade over the standard 7S26.  I have in a previous post had a brief look at how the 4R36 came about and its relationship to the both the 6R15 and the 7S26 – the crux of the matter is that we now have … Continue reading

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