Year Made: 1970s

Watch Model:

Number on Dial: Japan 9550 6010 D

Number on Case Back: 9550-6019 R0 5N3403

Number on Movement: 9550A, 7 jewels

Mass, movement + case + band: 19.00g

Dimensions, case: 30.86mm diameter x 4.25mm thick

Crystal diameter: 27.8mm

Dimensions, movement:

Case-to-band lug size: 17mm