The Panerai Radiomir PAM 309 has a 47mm titanium case and houses the OP XXVII caliber, visible through the caseback.
Movement Type
Manual
Caliber
OP XXVIIJewels
24
Reserve
55
Frequency
18000
Hands
Small Seconds
Shape
Cushion
Lug Distance
26.00 mm
Material
Titanium
Glass
Sapphire
Diameter
47.00 mm
Water Resistance
100.00 m
Dial Color
Black
