Hamtun H1 – Titanium Bracelet
Hamtun are offering two different strap choices with the H1, there is a
titanium bracelet finished in the same style as the watch body with a
locking single fold deployment and a black silicone strap with the same
single fold deployment.
They are both well designed and fit well with the overall styling of
the watch types, the deployment itself is singed with the Hamtun logo
and is compact, three levels of micro adjustment are available on the
deployment itself so a good fit should be easy to achieve.
I do question the usefulness of a deployment on the silicone strap as
traditionally one of the reasons to move to a rubber strap on a dive
watch is the ease of adjustment (for fitting the watch over wetsuits or
similar), at 22mm it should be easy to source a more traditional dive
strap but it is shame this is not an included option.
Hamtun H1 – Silicone Strap
From the start Ross decided that if Hamtun was going to produce a dive
watch that it would have to be automatic, he did not see the point in
going to the effort of designing, styling and prototyping a new watch to
then power it using a quartz movement (there are great quartz dive
watches out there but I do enjoy the purism of a good quality mechanical
watch).
The list of requirements did not stop there, it had to be reliable, it
had to support automatic and manual winding, it had to be hacking, it
had to fit in the tight budget and it needed to be easily serviceable.
Quite a list for a first watch, the movement that was eventually settled on was the Seiko NH35A.
Quite a list for a first watch, the movement that was eventually settled on was the Seiko NH35A.
The NH35A is a progression of Seiko's 7S26 movement, the 7S26 has been a
workhorse of many years used by Seiko and many other watch
manufacturers to produce, cheep, accurate and reliable automatic watches
with long service interval windows. What the 7S26 lacked was both hacking and the ability to hand wind, the NH35A is the answer to these two limitations.
Taking the the balance wheel, escapement and mainspring from the 7S
series and adding a hacking leaver and hand winding bridge, Seiko
produced the NH35A.
I personally do not own any watches with the NH35A movement but I do
own a few with the 7S26, I can attest to the reliability of this class
of movement.
With the NH35A you should expect a power reserve of 41 hours and an
unregulated accuracy of -25/+35 seconds a day, acceptable for this
class of watch and in all likelihood you would get a better rate than
this.
H1 Hamtun – Caseback
In conclusion, you are getting a lot of watch for your money here, and
depending on how quick you are off the mark there is a chance to pickup
the H1 for £150, that is admittedly the early bird price and limited to
the first 25. There are further offers with the price being £170 for the
next 50 and then £190 for all others (when the Kickstarter campaign
finishes the RRP will be £250).
I think it would only be fair for me to consider the watch at its RRP
of £250 as most backers will not have the opportunity to purchase one at
the £150 mark.
A £250 automatic divers watch, rated to 200m, crafted out of titanium
with a ceramic bezel and a double domed sapphire crystal (with dual AR
coating), backed by a 2 year warranty and sporting a Seiko movement.
Quite the mouthful and quite a promise to deliver on, if Hamtun manage
to deliver and the watch in production form looks as good as the press
shots, performs as robustly as the materials should allow and is as
reliable as a Seiko movement should be I would be hard pushed to not
recommend this watch.
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