MK-3131

Number on Case Back: 111309, MK-3131

Mass, movement + case + band: 147.5g

Dimensions, case: 38mm diameter x 13.58mm thick

Crystal diameter: 32.0mm

Band length:

Case-to-band lug size:

Band pin type / diameter / length:

MK-5055

Similar to above MK-3131

Number on Case Back:

Crystal diameter: 32.0mm

Band length:

Case-to-band lug size:

Band pin type / diameter / length: