Comparison

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Seiko Tmi Nh Caliber

Seiko Caliber NHxx Variation Differences

What is the difference between Seiko/TMI/SII “NH” calibers? As of this post there are 10 calibers in the current line...

Unitas Eta Caliber 6497 Vs 6498 Difference

ETA Unitas Caliber 6497 VS. 6498

What is the difference between ETA/Unitas caliber 6497 and 6498? Both movements are based off of pocket watch movements....

Seiko SII TMI NH25A vs NH35A Differences Compared

Seiko Caliber NH25A VS. NH35A

What is the difference between Seiko caliber NH25 and NH35? There are some differences between these overall similar movements. The...

Rolex Caliber 3035 vs 3135 Differences

Rolex Caliber 3035 VS. 3135

What is the difference between Rolex caliber 3035 and 3135? The Rolex caliber 3035 was introduced in 1977 as what...

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