S Epson Caliber Vs75 Vs75a Vs75b

S. Epson Caliber VS75

S Epson Caliber Vs75 Vs75a Vs75b

ManufacturerS. Epson Corp. (Seiko)
Caliber NumberVS75, VS75A, VS75B
Movement TypeQuartz, solar-powered
Display
Analog
Lignes12”’
Diameter
27.6mm
Casing Diameter
27mm
Height
4.4mm
Jewel Count
0
Frequency
32,768 Hz
Accuracy Rating
+/- 20 seconds/month
Capacitor Part #
See below…
Battery Life
~6 months on a full charge
Stem Part #
0351 587 (0351587)
Hand Count6
Hand Sizes
1.10mm / .65mm / .21mm / 3 x .21mm (subdials)
FunctionsCentral hours; central minutes; central chronograph seconds; small seconds at 9:00; 60 minutes chronograph counter at 6:00; 24 hour indicator at 3:00; date at 4:30
Subdial Layout
Tri-Compax (3-6-9)
Hacking Seconds?
Yes
Other Features
Overcharge prevention, AC reset
Country of ManufactureMade in Japan
Known Models
(Add your watch to the comments below…)

The S. Epson caliber VS75 is a solar-powered quartz chronograph movement with a 24 hour indicator.

This calibre has been produced since at least October 2012 (VS75A), with an evolution update around August 2023 (VS75B).

VS75A VS VS75B:

The main difference between the A and B versions appears to be the capacitor part number.

VS75AVS75B
Capacitor Part #3023.24H3023.34T

Basically, the 3023.24H capacitor (aka secondary battery) was replaced with a newer 3023.34T.

Additional Resources:

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