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Longines Ultra-Chron Jumbo
1 source
At a glance
Case size
40mm
Water resistance
4 ATM
The brief
A Longines Ultra-Chron Jumbo, a vintage steel-cased time-only watch, is highlighted for its design and historical appeal. The watch features a 40mm case and a tachymeter ring, presented as a desirable piece for collectors of 1960s chronographs.
Across the sources
The Jaeger reference 13001, also known as the 4ATM, is described as a rare chronograph with supposedly only 100 examples made.
— Hodinkee
The watch features a 40mm stainless steel case with visible bevels on the lugs, a large panda dial, and a bidirectional rotating bezel.
— Hodinkee
The dial is signed only 'Jaeger', and the Valjoux 72 movement appears unsigned on known examples.
— Hodinkee
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