Seiko monster orange black
Seiko Monster in box
Seiko SRP315
NOS Seiko Monster
Seiko Monster lume shot
Seiko monster bracelet size
SRP315 bracelet size

Seiko Monster SRP315


Regular price £ 0.00 GBP £ 0.00 GBP Sale

We normally focus on pre-owned watches but in the case of Seiko, particularly Japan Domestic Market models, we'll make exceptions. We came across this one and just couldn't resist it - a brand new in box specimen of the second generation orange Seiko Monster.

This is a watch you'll either love or loathe - such an aggressive design. We love it because the design is principle driven. The ruggedness, the high contrast dial, the extreme luminescence and the big, big minute hand are all attributes of a purposeful diving watch. And we love it because of its reliable 4R36 movement, a 24 jewel automatic movement which hacks and according to its specifications has a power reserve of 41 hours - a real workhorse! And the looks... It just looks like no other watch out there!  

This watch is brand new in box, with the protective film still in place on the bracelet and case back and it has never been worn. We took it out to take some pictures of it and that's it. The NOS examples of this highly popular watch will become increasingly hard to get hold of so it is with mixed feelings we've let it stay this way. It would have been great to enjoy it but with iron willpower we decided not to. 

This watch comes in its original box, instruction booklet, and a certificate of authenticity and one year warranty from Arlington watches.


Type Diving Watch
Gender Men's / Unisex
Brand Seiko
Model SRP315K2
Caliber 4R36


Features Date, Day, Hacking movement, Uni-directional rotating bezel, 200 m WR

Case Material

Stainless Steel
Crystal Hardlex
Approx. case width excl. crown 43 mm 
Thickness 13 mm
Lug width 20 mm
Bracelet Stainless Steel
Condition BNIB

Original Box


Original Seiko instruction book, Certificate of Authenticity


1 Year