HomeRanfft
Watches
Pink Pages
for Timepieces
.
Home
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
Links
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 
 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
 
View picture in original size
Fig. 1

Ronda 1037

Features
manual wind
sweep second
day: set by +/-24h
date: quickset by reverse setting

Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 4.8mm
(dial spacer +0.1mm)
F= 1.8mm
T= 2.7mm
7/17/23 jewels
f = 18000 A/h
power reserve 41h

Balance staff U3254

Stem W3215

Mainspring / battery
Zf1035, 1.40 x 10.0 x 0.10 x 360mm

Hands
1.80 x 1.30 x 0.20mm

Comments about the data

Remarks
stem mechanism without setting-lever spring
strange: train and hand gear separately driven by the barrel (cf. Ronda 9011)

family:
pin lever / Swiss lever:
1x11/1x31: manual, no second
1x13/1x33: manual, sweep second
1x15/1x35: manual, sweep second, date
1x16/1x36: auto, sweep second
1x17/1x37: manual, sweep second, day, date
1x18/1x38: auto, sweep second, date
1x19/1x39: auto, sweep second, day, date
1x21/1x41: manual, sweep second, digital display
1x23/1x43: manual, sweep second, alarm
1x26/1x46: auto, sweep second, digital display
1x66/1x86: auto, digital display incl. second
x=0: 10.5'''
x=1: 11.5'''
x=2: 12'''
x=3: 13.5'''
suffix -21: 21600A/h
Swiss-lever movements normally have the singature RAX under the balance, but some also RL like the pin levers.
Not all variants were actually made. Only those are listed, which are actually known or contained in current registers.

Example, year: signature; shock device
ca. 1970: RL, C2, Delaware Watch Co, Swiss, 17 Jewels; Incabloc
(Ronda 1233-21, 21600A/h, 12''')

Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Poststr. 32a
26388 Wilhelmshaven
Germany
phone +49 (0)4423 9849691

email: info@ranfft.de
.