heechang watch
a-lange-and-sohne
Jun 25, 2026
Zeitwerk (Ref. 140.025)

Zeitwerk (Ref. 140.025)

Released 2009. A technical tour de force: uses a constant-force mechanism to ensure identical energy delivery with each tick, enabling perfectly synchronized jumping hours and minutes.

Specifications

Reference
140.025
Collection
Zeitwerk
Case size
41.9 mm
Thickness
12.6 mm
Lug width
22 mm
Case
White gold
Movement
Cal. L043.1, in-house manual, 18,000 vph, 36h power reserve, constant force mechanism
Water resist.
30 m
Complications
Jumping hours and minutes with constant force escapement
Dial
Two apertures for jumping digit hours and minutes, subsidiary seconds, constant-force chain and fusee visible; entirely different from all other watch dials
Country
Germany
My tier
1
Tags
Iconic
Website
official page
Added
Jun 25, 2026