Seiko Caliber 6r35

Seiko Caliber 6R35A

Seiko Caliber 6r35a

Manufacturer Seiko
Caliber Number 6R35A (6R35)
Movement Type Automatic
Diameter 27.40mm
Casing Diameter
27mm
Height 5.25mm
Jewels 24
Vibrations Per Hour
21,600 bph
Lift Angle
53 degrees
Shock System? Diashock
Mainspring Spron 510 (needs confirmed)
Regulation
ETACHRON
Power Reserve
~70 hours
Rotor Direction
Bi-directional (Magic Lever)
Hacking? Yes
Hand-Windable? Yes
Magnetic Resistance
4,800 A/m (60 gauss)
Functions Hours, minutes, central second hand, date at 3:00
Country of Manufacture Japan
Known Models
(Add your watch in the comments below)

The Seiko caliber 6R35A is the first generation of the 6R35 family of movements. The letter A indicates the first generation of this caliber.

Find the full Seiko caliber 6R35 specs and information here.

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Seiko Caliber 6R35 Watch Movement | Caliber Corner
3 years ago

[…] is still a rather new movement, so currently there is only the 6R35A. The general caliber number is 6R35, with 6R35A being the first version. The subsequent letter […]

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自動巻きローターの種類 | watch hax
2 years ago

[…] 出典:Seiko Caliber 6R35A Watch Movement | Caliber Corner […]

Daniel
Daniel
2 years ago

So far (about 3 weeks) it loses 4 to 11 seconds a day. It’s in the Alpinist. Seems pretty solid so far.

John McG
John McG
2 years ago

I have my Alpinist just a month wearing it 16 hrs a day. The first 10 days or so it lost time at -3secs per day,then it started to gain +3 secs a day for a week.Since then it has fluctuated by + or-3secs a day So that currently it is 5 secs faster than GMT;it has never been more than +or-15 secs either side of GMT at any time.After a month it still hasn’t needed any adjustment-so far thrilled to bits!

John
John
2 years ago

My alpinist is running 2.1 seconds fast.

Chew
Chew
2 years ago

SPB147 running +2 a day – very pleased

ROBERT JENNINGS
ROBERT JENNINGS
2 years ago

I have the 6R35A movement in my Seiko Alpinist SBDC091 model (no complaints).

Lance
Lance
2 years ago

Love my Alpinist so far, my first real watch. Seems pretty spot on to me, but i don’t really measure the +/- stuff.

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List of Seiko Watch Movements Watch Movement | Caliber Corner
1 year ago

[…] 6R35A […]

AlexOr
AlexOr
1 year ago

Runs really well on my Seiko Alpinist SPB245J1 with approx +3 sec/day. What i see is that you have to “use” wear a watch having this calibre to get perfect measurement

Al
Al
1 year ago

My SBDC109 is running fast, +60 seconds per day. My shop says the amplitude is so low, the movement cannot be regulated and must be replaced. I just sent it back to Seiko, hoping they’ll cover the Japanese issue model

Pete
Pete
11 months ago

Owner of prospex diver SPB143 with this movement, accurate to about 5 secs per day, from my observation the movement is most accurate when worn on wrist more than 10 hours per day as recommended by Seiko. I wear mine everyday. Looks like it’s calibrated to be most accurate on wrist temperature.

Amo Eba
Amo Eba
2 months ago

Any idea why brand new 6r35a only shows an amplitude of 245° fully wound? My 6r15c goes up to 280° in the same conditions.

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