ZENO-WATCH BASEL Precision Chrono Tachymeter Ref. 430-01TH-a1M black, -a2M white/silver Hand-Wound Cal. Lemania 1873 Ltd/300

Calibre 1873 is a manual winding chronograph movement from Lemania.

Produced by Lemania and Nouvelle Lemania, Calibre 1873 runs at 21,600 A/h, is 27.5 mm in diameter and 6.87 mm high, has 17 or 18 jewels, and a 40 hour power reserve.

The cam switching chronograph has a central seconds hand and three subdials: 30 minute chronograph at 3:00, 12 hour counter at 6:00, and 60 second timekeeping at 9:00.

The Lemania 1873 was used by companies like Breitling, TAG Heuer, and Eberhard & Co.

Description:

Manual winding movement, chronograph
Functions:

Hours, Minutes
Small seconds at 9:00
Chronograph: 30 minutes counter at 3:00, 12 hour counter at 6:00
Data:

12 lignes
D 27.5 mm, H 6.87 mm
17 or 18 jewels
21,600 A/h
Power reserve 40 Hours
Production period:

1970\'s