Technical data
- Dimensions: height: 130.5 cm, width: 27.5 cm, depth: 11 cm
- Crystals: Bevelled mineral crystal
- Movement: caliber 1665-4
- Power reserve: 30 days
- Drive: Weight of walking gear 1,600 g with pulley | K 130: Weight of strike train 2,000 g with pulley
- Beat rate: 3600/h = 60/min
- Oscillator: wooden rod pendulum
- Ball bearings: 4 precision ball bearings
- Jewel bearings: 7
- Dial: anodized, hand-painted moon disc, display of date and day of the week
https://erwinsattler.com/magazin/das-pendel-ein-praezises-mechanisches-schwingsystem/