NH34 NH34A 4R34 GMT Movement Automatic Movement 4 Hands GMT Function

Description

NH34 NH34A GMT Automatic Movement SKX Mods 4 Hands GMT Function
Includ
e
original accessories.
Caliber number: Seiko NH34A (aka NH34 or 4R34)
Up to 41+ hours of power reserve
Movement type: automatic
Frequency/Vibrations per hour: 21600 bph
Accuracy: -20~+40 sec per day
Hack-second or stop-second feature allows you to set the time precisely
24 Jewels
Function: 4 Hands including a 2nd hour hand for GMT function, automatic and manual winding, date function
Winding Direction: Clockwise
Diameter: 27.40 mm
Compatibi
lity
(*very important)
NH34 movement diameter (29.36mm) and height (5.32mm) is the same with NH35/36/38/70/71/72 movements. That means that cases designed for NH35/36 can also fit in NH34.
On the dial side up (H1), the overall wheels height of the hour, minute and seconds have been increased by 0.4mm from 2.26mm to 2.66mm. Now if you were to fit an 4-hands NH34 movement into a case designed for 3-hands NH movement, chances are your second hands will be brushing onto the crystal either slowing the beat rate or completely stopping the movement.
One of the solution to circumvent this is to use a
double domed sapphire crystal
. Even if a double domed crystal is used, it is worth noting that the length of the second hand may come extremely close or in contact to the edge of the double down crystal that sloped down onto the case.
Recomme
nded
Watch Modding Repair Tool MOVEMENT HOLDER
Double domed sapphire crystal
Shipping
Item will be shipped within 1-24 hours after receiving payment (except weekends and holidays).
A tracking number will be provided after the shipment. Please confirm your address before placing an order.
Feedback and contact
If you are satisfied with my products and services, please leave positive feedback.
Please contact me with any questions.