Cc Bg 1920 1280
Seiko Caliber V194

Seiko Caliber V194

Caliber NumberV194, V194A
TypeSolar Powered (quartz)
Unconfirmed (please add to the comments below)
32,768 Hz
Integrated Circuit
Capacitor Number302324D
Motor System
3 step motor
Hacking Seconds?
FunctionsCentral hours, central minutes, small seconds subdial at 9:00, big double digit date at 12:00, 24 hour hand at 3:00, central chronograph seconds hand, 60 minute chronograph subdial at 6:00 (the hand for this subdial is also used for the power reserve indicator located on the left of the subdial).
Country of ManufactureJapan
Known Models Seiko Prospex¬† Sky Solar Pilot (SSC607P1, SSC609P1, SSC611P1) (Add your watch in the comments below…)

The Seiko caliber V194 (actually marked V194A) is a solar powered chronograph movement with a power reserve indicator. This caliber is made in Japan and is found in Seiko branded timepieces. This caliber is part of the Seiko Watch Corporation V (VXXX) family/series of solar powered movements.

V194 VS V192:

There is a similar Seiko caliber V192 with the main difference between the two being that the calendar function on the V192 has a small date window cutout at 4:30. The V194 discussed on this page has a double digit big date at 12:00. All of the other features and functions are the same.


Seiko claims that the caliber V194 will maintain accuracy of +/- 15 seconds per month at normal operating temperatures of about 5C to 35C (41F – 140F).

Battery Change:

The caliber V194 is a solar powered watch with a manganese titanium-lithium rechargeable capacitor. It is not a normal battery. The number is MT920, or more specifically (because not all MT920 are the same): part number 302324D (3023-24D).

Charging Times:

The chart below shows how long different lights sources can take to fully charge the cell in the V194. This ranges from 150 hours to 5 hours of constant light source. The following excerpt is from the official Seiko manual.

Seiko Caliber V192 Solar Charging Table

Power Reserve Indicator:

The Seiko V194 features a handy power reserve indicator on the dial at around 7:00. This indicator is positioned to the left of the 60 minutes chronograph totalizer and uses the 60 min chrono hand to display the remaining charge that is being stored in the capacitor. The following instructions show how to use the indicator:

Seiko Caliber V192 Power Reserve Indicator

A full charge can last up to 6 months. Seiko states that this power reserve is based on only using the chronograph for less than one hour per day.

Interesting Note:

Although there is an instruction manual for dive watches with caliber V194, there is also another instruction manual that combines the following calibers: V192 and V194.

Video Instruction Manual:

Additional Resources:

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