The Classima Open Balance comes in a 42 mm stainless steel case and uses a Sellita SW200 caliber, which replaced the initial ETA movement. Both versions drop the date ring to make room for the open balance dial, and time is shown with refined 'feuille' hands.
Movement Type
Automatic
Caliber
SW200-1 aJewels
26
Reserve
38
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Diameter
42.00 mm
Water Resistance
30.00 m
Dial Color
White