Japan Made Miyota OS21 Quartz Watch Movement with Zero Jewels Black Disk WheelFeatures: Product material is strong, durable, long service life. 100% brand new Manufacturer Miyota (Citizen) Caliber Number 0S21 aka OS21 Type Quartz Replaces Caliber Citizen 0510 Diameter 13. 50 (30. 80mm) Height 5. 10mm Battery Cell Number SR927W Frequency 32,768Hz Quartz Type Tuning fork type quartz crystal Stem 065 453 Hand Sizes 120 80 18 Jewels 0 Functions: Hours, minutes, central chronograph seconds, 60 minute counter, 24 hour hand, date

*Environmentally friendly silica gel has no peculiar smell

Product material is strong

Color: Silver{As shown in the picture)

7mm        13

Central position: chronometer pointer

anti-scratchesand wear-resistant

3 Colors Snap Watch caseback Opener Tool Snap on Quick Open Back Case Opener

Epson VR43 Solar Quartz Movement

Standard Hand Heignt 3

Ronda 519 Quartz Watch Movement Swiss Part

4mm Package includes: 1 set

Material: PU leather