Manufacturer Seiko Caliber Number 4M21, 4M21A Movement Type Kinetic (AGS), quartz Lignes 11.5”’ Diameter 25.6mm Height 2.7mm Jewel Count 9...
4M21
Latest
Part of the 
network of watch sites
network of watch sites network of watch sites
So... I just discovered the Montblanc Heritage Spirit O...
C2C , 1 day ago
RE: Is it possible to identify the caliber/model of this movement?
Yes, it is labor of love and yes, it is feasible to fix...
Eravus , 3 days ago
RE: Is it possible to identify the caliber/model of this movement?
Labor of love but not feasible to fix?
pamoh , 6 days ago
RE: Is it possible to identify the caliber/model of this movement?
Thank you for your reply. I've tried to search abovemen...
Eravus , 6 days ago
Recent Comments
The Maurice LeCroix Les Classiques also use this movement. I must say that the Selita…
Heron Marinor also uses this movement.
Héron Marinor
Hi, I have just bought an MWC G10 (G10/100ST/1224) WR100 which also has this movement.…
Hi TimRod, welcome to Caliber Corner! To post pics in the caliber listing comments section,…
...can't figure out how to post pics.
The 8136 movement is also found in 96b372 crono a Bulova dress watch.