Seiko 4206 Movement Details

Seiko caliber 4206 is an automatic (with hand winding) watch movement.

Sub-brands: Seiko 5
Power reserve:40 hours
Accuracy:+55/-35 seconds/day
Day / date?Day + date
GMT / world time?No
Chronograph?No
Rate:21,600 bph
Number of jewels:17
Lift angle:49º in 4206A & 4206B, 52º in 4206C
Size / diameter:7 3/4" or 17.2mm
Height:5.6mm
Stem code: 351420
Balance wheel code: 310421
Mainspring code: 201420
Development division:Daini (Kameido, Tokyo)
Notes:Used in ladies watches. The same as cal. 4205 but with day display (as well as date).
PDF guides: Technical guide for 4205B, 4206B, 4207B, 4208B, 4225A & 4227A
Technical guide for 4205C, 4206C, 4207C, 4208C, 4225B & 4227B
Related movements: 4205 4207 4208

Articles


Videos