Family: Union Glashütte in-house chronograph25 jewels60h power reserve28,800 vph (4 Hz)
The UNG-59.S1 is Union Glashütte's in-house manual-winding chronograph caliber. It measures 30mm in diameter and 7.53mm thick, operates at 28,800 vph with a 60-hour power reserve, and contains 25 jewels. Features include a silicon escapement spring, indexless regulation, and a date display with a 60-second, 30-minute, and 12-hour chronograph function. The movement remains in production.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
25 jewels
Power Reserve
60h
Frequency
28,800 vph (4 Hz)
Diameter
30mm
Height
7.53mm
Display Type
Analog
Winding
Manual
COMPLICATIONS
DateChronograph30-Minute Counter12-Hour Counter
FEATURES
Silicon HairspringSweep Seconds
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
Union Glashütte in-house chronographFOR WATCH DEALERS
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