For Miyota Os20 Quartz Watch Movement(4:30 O'clock Calendar Position)

Outer diameter: 13 1/2 Ligne or 30.4 mmMovement 4.06 mm thickThe height from the bottom of the watch movement to the top of the second pinion is 7.0 mm2:30 and 9:30 dialNeed watch battery: 395 (not including battery)Needed hands: hour hand 1.20, minute hand 0.70 and second hand 0.25 mmHas three small secondsNeed small seconds: 0.25 mmNo jewelryStem: 065-441, click 10Type: Date display at 4:30colour:As shownMaterial:MetalPackage Contents:1 x Quartz movementOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.