Features
manual-wind chronograph, 60s, 30/45 min, pillar wheel
sub second
Data
14''', Dm= 31.0mm
H= 5.7mm
17 jewels
f = 18000 A/h
power reserve 45h
Balance staff
U1455 / U3106
balance with/without screws
Stem
W1188 / W3371
thread 1.2mm / 0.9mm
Main spring / battery
Zf1337, 1.60 x 12.5 x 0.13 x 430mm
Hands
1.40 x 0.95 x 0.27 / 0.27 x 0.18mm
Comments about the data
Remarks
family:
175: base plate with bevelled edge
176: base plate plain
178: hour counter
179: split second
183: date, hour
184: date, moon phase, hour
185: split second, hour
190: split second, date, moon phase, hour