Compatible with UNITAS 6497, 6498, Seagull ST3600, ST3621
This is a quality 316L stainless steel watch case with screw down crown and a screw down case back cover. Case back and a screw crown are rubber sealed.
Water resistance:5 ATM
Fit dial: 35mm - 38.5mm
Diameter: 50mm including a crown, excluding a crown 45mm, lugs to lugs 54mm
