Seiko 4006 Movement Details

Seiko caliber 4006 is an automatic watch movement. Production started around 1966 and production finished in 1978.
Search eBay for watches with this movement.

Sub-brands: Bell-matic, Business Bell
Day / date?Day + date
GMT / world time?No
Chronograph?No
Alarm?Yes
Hacking?No
Rate:19,800 bph
Number of jewels:17, 21 or 27
Lift angle:58.4º
Size / diameter:31.2mm
Height:7.15mm
Notes:The same as cal. 4005 but with day display (as well as date). It has a 10-second mechanical alarm feature powered by a second mainspring.
PDF guides: Technical guide : 4006A
Related movements: 4005

Part Codes

Stem code: 354805
Balance wheel code: 310470
Mainspring code: 401805
Date wheel code: 801805
Screw codes: 022150 (stud screw), 022250, 022251, 022254, 022256, 022257, 022266, 022268, 022365, 022450, 022455 (dial screw), 022458 (screw for oscillating weight), 022462, 022464, 022466, 022474, 022573, 022574, 022575, 022662, 022776

Videos


Related Articles


Images

↑ Back to top