Zenith® Genuine, Vintage Crown (Dustproof, Spring Loaded), outside diameter of crown 3.5 mm, colour: steel, short pipe, square with 4 motifs in corner AS 1302 Super Buffs last up to

Super Buffs last up to 50% longer with minimal fraying and better compound retention

It operates on one "AA" battery

and pendulum hook used for Hermle clock movements marked on the back plates as 114 cm

Barrel #56

Junghans 91

Zenith® Genuine, Vintage Crown (Dustproof, Spring Loaded), outside diameter of crown 3.5 mm, colour: steel, short pipe, square with 4 motifs in corner AS 1302 Super Buffs last up toZenith Genuine, Vintage Crown (Dustproof, Spring Loaded), outside diameter of crown 3. 5 mm, colour: steel, short pipe, square with 4 motifs in corner Colour: steel, Outside Diameter of Crown (mm) 3. 5, Height of Crown Only (mm) 1. 45, Total Height of Crown (mm) 2. 25, Tap (mm) Thread Size of Stem: 0. 9, short pipe, square with 4 motifs in corner *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Zenith. Zenith warranty does