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> Zeitwerk > 147.025 Zeitwerk Minute Repeater
Brand
A. Lange & Sohne
Reference Number
147.025 Zeitwerk Minute Repeater
Mechanism
Manually Wound
Collection
Zeitwerk
Case Material
Platinum
Function
Minute Repeater
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Zeitwerk Minute Repeater - 147.025

For the first time ever in a mechanical watch, the ZEITWERK MINUTE REPEATER brings together a jumping numerals display with a decimal minute repeater. The acoustic time indication consists of a low-pitched tone for each elapsed hour, a double tone for each elapsed ten-minute period, and a high-pitched tone for each elapsed minute. Thus, the time as sounded corresponds exactly to the time as displayed.

Functions
Hours and minutes in a jumping numerals display; decimal minute repeater that strikes a low tone for each elapsed hour, a high/low tone for every elapsed 10-minute interval, and a high tone per elapsed minute; subsidiary seconds dial with stop seconds; UP/DOWN power-reserve indicator; 36 hours power reserve

Lange manufacture calibre: L043.5

Number of movement parts / jewels: 771/93

Screwed gold chatons: 3

Escapement: Lever escapement

Oscillator: Shock-resistant balance wheel with eccentric poising weights; balance spring manufactured in-house, frequency of 18,000 semi-oscillations per hour; precision beat adjustment system with lateral setscrew and whiplash spring

Power reserve: 36 hours when fully wound if the striking mechanism is not activated

Functions: Time display in hours and minutes with precisely jumping numeral discs; subsidiary seconds with stop seconds; power-reserve indicator; decimal minute repeater

Case measures: Diameter: 44.2 millimetres; height: 14.1 millimetres

Movement measures: Diameter: 37.7 millimetres; height: 10.9 millimetres

Case versions: Platinum