The UNG-27.S2 is an automatic chronograph movement manufactured by Union Glashütte. Based on the Valjoux 7750, it measures 30mm in diameter and 7.9mm thick, beats at 28,800 vph with a 65-hour power reserve, and contains 29 jewels. The movement features a silicon balance spring and includes a date display with a 60-second and 30-minute chronograph, operated via two push-buttons and a corrector. It remains in production.
Last updated 24 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
29 jewels
Power Reserve
65h
Frequency
28,800 vph (4 Hz)
Diameter
30mm
Height
7.9mm
Display Type
Analog
COMPLICATIONS
DateChronograph30-Minute Counter
FEATURES
Silicon Hairspring
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheBASED ON
ETA SA 7750CALIBER FAMILY
Union Glashütte chronographCOUNTRY
GermanyFOR WATCH DEALERS
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