Seiko Caliber 6106c

Seiko Caliber 6106C

Seiko Caliber 6106c

Manufacturer Seiko (Daini Seikosha factory)
Caliber Number 6106C
Base Caliber
6106A
Movement Type Automatic, self-winding mechanical
Diameter
27mm
Height
5.15mm
Jewels
17, 23 or 25
Beat Rate
21,600
Lift Angle
Unconfirmed
Power Reserve
~45 hours
Rotor Winding Direction
Bi-directional (Seiko Magic Lever)
Hand-Windable?
No
Anti-Shock Device
Diashock
Hand Count 3
Functions Central hours; central minutes; central sweeping seconds; bilingual day and date at 3:00
Hacking Seconds?
Yes
Quickset Calendar?
Yes
Country of Manufacture Japan
Known Models
(Add your watch to the comments below…)

The Seiko caliber 6106C is a vintage automatic watch movement with a day-date. This movement was produced in the late 1960s to early 1970s. The C on the end of the caliber number indicates an evolution (or changes) in the caliber design or functionality. In this case, the C adds bilingual day of the week to the calendar complication.

How to set the Calendar:

The crown on the 6106C only has two positions: against the case and pulled out one click to set the time. Due to this design, many new owners of 6106C powered watches are unsure of how to set the day and date. Here’s how:

Date – to the set the date on your watch, simply press the crown in to advance the datewheel forward.

Day of the Week – to set the day on your watch, press the crown harder than you did to adjust the date.

Jewel Count:

Seiko caliber 6106C is available with different jewel counts: 17, 23 and 25. The main difference between the 17 and 23/25 jewels models is that the 17 jewels version does not use Diafix jewel settings. Seiko describes Diafix as an “oil lubrication device”. The example pictured on this page is a 17 jewels version.

Text on the Movement:

6106C / DAINI SEIKOSHA CO. LTD. / JAPAN / SEVENTEEN 17 JEWELS / UNADJUSTED

Additional Images:

Seiko Caliber 6106c 17 Jewels

Seiko Caliber 6106c Macro

Additional Resources:

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Andrew
Andrew
6 months ago

I believe this Seiko movement is Japanese-made, not Swiss made as listed here!

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