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Seiko Caliber 4J40

No technical information found for this movement.

Watches with the 4J40 movement

4J40-0AA0
4J40-0AB0
4J40-0AC0
4J40-0AD0
4J40-0AE0
4J40-0AF0
4J40-0AG0
4J40-0AH0
4J40-0AJ0
4J40-0AK0
4J40-0AL0
4J40-0AM0
4J40-0AN1
4J40-0AP0
4J40-HAA0
4J40-HAB0
4J40-HAC0
4J40-HAD0

About “The Seiko Guy”

Hey, nice to see you here!
My name is Andrea Secco, I’m a watch enthusiast and a Seiko collector.
I hope this website will be useful to all of you who share this passion.

Andrea Secco

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Recent Posts

  • Where are Seiko watches made?
  • King Seiko VANAC
  • Seiko Lord MarvelSeiko Lord Marvel
  • Seiko WatchesThe History of Seiko Wristwatches
  • Seiko Five SportsHistory of the Seiko 5 Sports
The Seiko Guy

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The journey of a watch enthusiast into the past, present and future of Seiko. 🇮🇹🇯🇵

New colors coming for the Seiko 5 Sports “SNXS” series.

#seikosnxs #seiko5sports #seiko5 #seikofive #snxs #seiko #seikowatches
New edition of the Seiko 5 Sports “Time Sonar” New edition of the Seiko 5 Sports “Time Sonar”.

#seiko5sports #seikotimesonar #seiko #seikofive #seiko5 #vintageseiko
New colorways of the Seiko “Samurai” are on th New colorways of the Seiko “Samurai” are on their way. I find the green PADI edition particularly intriguing!

#seikosamurai #seikodiver #prospex #seiko #diverswatch #seikowatches #diver
It seems these two new models will soon be introdu It seems these two new models will soon be introduced into the Seiko 5 Sports lineup. They house the 4R36 caliber and feature a 38.2 mm diameter with a thickness of 12.34 mm.

#seiko5sports #seiko5 #seikofive #seiko #seikowatches #vintageseiko
They’re called Speedtimer, but they’re not chr They’re called Speedtimer, but they’re not chronographs. They look like Bellmatics, but they’re not alarm watches.
These new models are powered by the automatic 6R55 movement, featuring a 39.5 mm diameter case, 11.95 mm thickness, sapphire crystal, and a water resistance of 20 bar.

#seiko #seikospeedtimer #seikonewmodel #seikowatches #prospex
Apparently, this King Turtle model is real and wil Apparently, this King Turtle model is real and will be released soon with the reference SRPL81.

#seikoturtle #seikodiver #jaws #seiko #diverwatch #seikowatches
The Seiko Turtle is one of the most iconic and bes The Seiko Turtle is one of the most iconic and best-looking dive watches ever made! Which one would you pick? 🐢

#seikoturtle #seikodiver #diverwatch #seiko #seikowatches #watches #watchcollector
Seiko Quartz Very Fine Accuracy (VFA) Suwa and Dai Seiko Quartz Very Fine Accuracy (VFA) Suwa and Daini Seikosha.

#seiko #seikowatches #seikosha #seikoquartz #vintageseiko #seikoholic #seikocollector
Yellow Seiko SKXA35 Bumblebee and SSK017 GMT. #se Yellow Seiko SKXA35 Bumblebee and SSK017 GMT.

#seikoskx #skx #seikossk #seikodiver #seikogmt #seiko #seikowatches #yellowseiko
Seiko Spiral and Think The Earth. #seikowatches # Seiko Spiral and Think The Earth.

#seikowatches #watchesofinstagram #seikodesign #design #seiko #watchcollector #seikofam
More early center second Seikosha watches: Seiko-M More early center second Seikosha watches: Seiko-Moeris center second, New 10A center second type I and New10A center second type II.
The history of the 10-ligne Seiko-Moeris center second is still unclear.

#seikosha #vintageseiko #seiko #seikocollector #seikoholic #seikofam #seikomoeris
Seikosha early center second wristwatches. #seiko Seikosha early center second wristwatches.

#seikosha #seikoshaprecision #vintageseiko #seikowatches #seiko #seikocollector #seikofam
Seiko Cronos WaterProof first model J13028 introdu Seiko Cronos WaterProof first model J13028 introduced in 1959.

#seikowaterproof #seikocronos #j13028 #vintageseiko #seikowatches
I have restored this Seiko-Buren and believe this I have restored this Seiko-Buren and believe this is the correct silver case for this rare model from 1925.
The Seiko-Buren was produced for a very short period before being quickly replaced by the 10-ligne Seiko-Moeris.

#seikosha #vintageseiko #seikohistory #seiko #seikofam
Seiko Cronos J14049 and J14107 Special Finish. #s Seiko Cronos J14049 and J14107 Special Finish.

#seiko #seikocronos #seikowatches #seikofam #seikocollector #j14049 #j14107 #j14107e
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This website is the work of a watch enthusiast and a collector of Seiko and Grand Seiko timepieces, and it is not affiliated with Seiko in any way.

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