Seiko Superior – SRP441K

Besides the commemorative Blue Monster, Seiko also released a field watch the combines the Monster case with a compass bezel. I had the opportunity to handle the SRP441K, a variant with black and white colour combo.

Here’s a quick look:

As a field watch, it does not need to have the same specification as the Monster. The pictures below illustrate the differences between the SRP441K and the Monster.

Water resistant is 100m.

Drilled lugs but obviously smaller lug holes since the watch comes with regular spring bars. Also, the bezel rotates smoothly (no click).

See-through caseback.

Crown does not screw in.

Straight end bracelet does not take fat spring bar. Design of the bracelet links is not the same as that of the Monster bracelet. It is 22mm wide.

Bracelet does not have diver extension.

A very important difference between this watch and the Monster is that it is 2mm bigger. Below is a quick comparison shot.

Diameter: 44mm excluding crown
Thickness: 12mm
Lug width: 22mm

This watch is distributed in Singapore by Thong Sia Singapore and has a listed price of SGD464.40 inclusive of GST.

A few colour variants here:

Seiko Superior SRP441K featured in this post is provided by:

K2 Watch Company
845 Geylang Road, Tanjong Katong Complex
#03-K1. Singapore 400845
Tel: 6746 0270

10 thoughts on “Seiko Superior – SRP441K

  1. Hi Thomas,

    I never thought that the Monster’s case design would someday make it to a Seiko 5 Sports model like this one. Ten years ago, a watch looking like the SRP441K would have been something that the Seiko WIS modding folk would come up with. 🙂

    Today I’m just bedazzled with so many variations of the Seiko 5 Sports family that I’m beginning to think the designers at Seiko have been secretly looking into the watch forums for ideas. FWIW, the SRP441K should have really have an elapsed time bezel instead of a compass bezel. Unlike the SKZ211K Landshark/Atlas, the compass bezel on this one looks pretty much out of place to me.

    On the flip side of the coin, the bracelet quality that’s fitted to the contemporary Seiko 5 Sports 100m models are much better than the ones from a decade ago. 🙂


    • They actually increase the size of case by 2mm on this model. I hope future release of the monster gets the same case size.
      This is actually a ‘Superior’ model so the bracelet is better than the regular ‘5’ models.


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