Seiko caliber VK67 VK67A SII

Seiko Instruments (SII) Caliber VK67

Seiko caliber VK67 VK67A SII

ManufacturerHattori aka Seiko Instruments Inc. (SII)
Caliber NumberVK67, VK67A
TypeQuartz (mecaquartz)
Diameter13 1/2”’ (30.8mm x 29.10mm)
Thickness5.10mm
Battery Cell Number394
FrequencyUnknown (please comment below)
Quartz TypeTuning fork type quartz crystal
Stem351177/tap 10 or 351892/tap 11
Hand Sizes1.50/.90/.32mm
Jewels0
FunctionsHours, minutes, small seconds, date, central chronograph seconds, 60 minute counter, 12 hour counter
Country of ManufactureJapan (assembled)
Known Models Add to the comments below…

The Seiko SII caliber VK67 is part of the hybrid mechanical quartz (mecaquartz) movement line. It is a chronograph movement that uses quartz technology for the main functions of the watch, and a mechanical module for operating the chronograph. Learn more here.

Time Module/Seiko states that the expected accuracy of this movement is less than +/- 20 seconds per month at normal temps. The battery life is about 3 years with normal operation.

Battery replacement:

After installing a fresh battery cell, remember to reset the circuit by touching the AC terminal of the circuit block (look for an arrow labeled AC pointing to a hole) and the switch spring with your tweezers.

Replacement prices of about $35.95 found online.

You might find the caliber VK67 listed as being produced by SII aka Hattori aka TMI (Time Module Inc) aka Seiko Instruments Inc. Learn more about the different names here. Other calibers with the same base movement are VK63 and VK83.

The front of the movement

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Hattori SII Caliber VK63 Watch Movement | CaliberCorner.com
6 years ago

[…] Inc. Learn more about the different names here. Other calibers with the same base movement are VK67 and […]

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What is a Meca-Quartz Movement? Watch Movement | CaliberCorner.com
6 years ago

[…] Seiko SII VK67 […]

gregg HUBERT WILLIAM lewis
gregg HUBERT WILLIAM lewis
4 years ago

how do you udjust the chronograph needle thats not lining up

Mark Madeley
Mark Madeley
3 years ago

Generally, pull out the crown to position 2. Then press the chrono buttons to align the sub dial and main sweep hands. There may be a specific order to it, but trial and error will be fast.

don
don
1 year ago

This is a mechanical system for the chrono. The only way to adjust chrono hands is to remove and realign

Kaushal
Kaushal
2 years ago

I want to know assemble about vk 67 machine

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Presentación MMI Turret Marine Chronograph - SaFonaGastroCrono
2 years ago

[…] mecanismo que permite toda esta funcionalidad es el híbrido VK67A de SEIKO. Este calibre mecaquartz es una opción cada vez más popular entre las micro marcas, ya […]

sergio
sergio
1 year ago

Tsar Bomba watches uses these movements

Jiri
Jiri
2 months ago

Does anyone know how to remove the movement from the case. I need to re fit little hand onto sub dial

Thanks

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