Manufacturer S. Epson Corp. (Seiko/Hatori) Caliber Number Y121, Y121E Type Quartz Lignes 6 3/4”’ x 8”’ Diameter 15.3mm x 18.2mm...
S. Epson Corp.
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD53B Type Quartz Size 12 3/4”’ (29.5mm) Height 4.57mm thick Jewels...
Manufacturer S. Epson Corp. (Seiko) Caliber Number YM62A Type Quartz Diameter 10.5”’ x 12”’ ( 24.1mm x 27.6mm) Thickness 3.7mm...