What is the difference between Seiko/TMI/SII “NH” calibers? As of this post there are 10 calibers in the current line...
Comparison
What is the difference between ETA/Unitas caliber 6497 and 6498? Both movements are based off of pocket watch movements....
What is the difference between Seiko caliber NH25 and NH35? There are some differences between these overall similar movements. The...
What is the difference between Rolex caliber 3035 and 3135? The Rolex caliber 3035 was introduced in 1977 as what...
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Recent Comments
Hi Tom, our understanding of heavy drive is that it compensates for out-of-balance seconds hands…
Would you be kind enough to provide diving watches that use this movement? I have…
With the Heavy Drive / High Torque shock protection, what can you tell us about…
It's just black backplate and I've seen the gooseneck on other ST-19 watches.
Thats a boat load of money for a module 2892A2..
I have one în a hamilton jazzmaster thinline and it is loud
How noisy is it? My watch with L888 is quite noisy