Trademarks/imprint: JUNGHANS CHRONOMETER AUTOMATIC; Back: 28 JEWELS; RP (in diamond: Richard Pfisterer, case manufacturer, Pforzheim, Germany); super-safe; WATERPROOF DGM PAT.-US-PAT.; Number: 087841;
Number of jewels: 29
Escapement: lever escapement
Balance staff: Glucydur-Ringbalance, per leg one perpendicular adjustment screw; Junghans precision regulator with very wide adjustment range (Sektorverzahnung)
Shock protection: Junghans II
Particularity: Chronometer, Stop -Balance
Beats per hour: 19.800 A/h
Dimensions of movement: 12.5”’
Time of production: 1957 – 1964
Functions: Automatic
Display: hour, minute, sweep second
Dial: white, gilded indexes, tritium dots
Hands: Dauphine, gilded; with lume
Second hand: gilded thread
Caseform: round
Case diameter (mm): 35
Case material: brass, gilded
Back: Steel, screwed; two parts (super-safe); RP (in diamond: Richard Pfisterer, case manufacturer, Pforzheim, Germany)