400-Day & Atmos

Anniversary, 400-Day, Atmos and other Torsion pendulum Clocks. Collecting, Identifying and care.
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Steven Thornberry
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Horolovar 400 Day Clock Repair Guide, 10th Edition, Errors and Updates
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3K
Steven Thornberry
Steven Thornberry
B
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A Personal Biography Of Charles Terwilliger
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31
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41K
Rod Schaffter
Rod Schaffter
John Hubby
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400-Day, ATMOS, & Torsion Clock Parts Wanted
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N/A
John Hubby
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Post Your BHA, Becker, Grivolas, Hauck, Schlenker & Posner, and Würth Clocks Here
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0
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30K
John Hubby
John Hubby

Latest threads

C
Which maker made this clock please?
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6
Views
205
KurtinSA
KurtinSA
S
Setting beat with Becker No.4 bracket ie no adjustment
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10
Views
259
demoman3955
demoman3955
P
ATMOS LeCoultre Co. Clock
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20
Views
855
chansimon
C
Noel Branson
Schatz Electric Torsion Clock
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12
Views
1K
Noel Branson
Noel Branson
Keith Doster
Purple?? disk on a GB 400 day clock
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16
Views
330
demoman3955
demoman3955
Keith Doster
400 Day Clock in an Ultrasonic Cleaner??
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29
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3K
Keith Doster
Keith Doster
T
Urania overhaul begins
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25
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2K
happycusa
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D
Edgar Henn /Euramca carriage clock spring set?
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9
Views
247
Drbillz
D
R
Koma Mini
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12
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1K
RexHavoc
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any400day
Post your GRIVOLAS 400 Day clocks here
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133
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42K
Burkhard Rasch
Burkhard Rasch
phylrick
I'm embarrassed to ask!!!!!!!
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20
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2K
chansimon
C
Rob Martinez
Difference Between Atmos 528-6 and 528-8? With Other Atmos Clocks?
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25
Views
10K
chansimon
C
J
Post Your Gustav Becker 400-Day Clocks Here
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750
Views
161K
David Provan
David Provan
K
I think it's a Kundo because of the pendulum
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19
Views
410
Ken M
K
I
Stumped by a Schatz 49
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32
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1K
MartinM
MartinM
M
Post Your Schlenker & Posner 400-Day Clocks Here
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303
Views
75K
Ken M
K
Oled
Any idea on the maker of this nice 400-day?
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5
Views
385
Oled
Oled
K
Cleaning pivot holes too small for tooth pick?
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14
Views
401
Mike Phelan
Mike Phelan
J
Early JUF
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31
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1K
MUN CHOR-WENG
MUN CHOR-WENG
M
Clocks for our 25th and 30th wedding anniversaries
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6
Views
301
marylander
M
K
Shelf for 400 day clock
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14
Views
711
marylander
M
zepernick
Post Your BHA Logo (by Becker) 400-Day Clocks Here
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152
Views
35K
Dells
Dells
P
New Grivolas
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11
Views
558
Steven Thornberry
Steven Thornberry
M
ATMOS running time on full wind
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1
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209
Schatznut
Schatznut
N
Fluttering
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18
Views
443
Wayne A
Wayne A
S
400 Day Clock Minute Hand Tightness
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3
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204
Wayne A
Wayne A
N
Can you help me identify this clock and its replacement suspension spring?
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11
Views
431
KurtinSA
KurtinSA
N
Listening to ticking on an Apple MacBook
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8
Views
342
Gyro Gearloose
Gyro Gearloose
J
400 day clock confusion
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16
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5K
Schatznut
Schatznut
Kieran McCarthy
Overswing not even on both sides.
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6
Views
620
Wayne A
Wayne A
demoman3955
400 day pendulum
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3
Views
230
Ken M
K
MUN CHOR-WENG
Re: Low Serial Number JUF Clocks
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18
Views
3K
RDeWees
RDeWees
K
So what's the deal with the copper 400 day clocks?
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17
Views
822
KurtinSA
KurtinSA
demoman3955
cant pass up a good deal
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11
Views
461
demoman3955
demoman3955
F
Transporting an Atmos Clock
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3
Views
479
dhunter
D
etmb61
Bowler & Burdick crystal regulator
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13
Views
2K
Ken M
K
Kieran McCarthy
Replacing a Broken Pivot.
Replies
3
Views
327
Dells
Dells
Pat L.
Jahresuhren-Fabrik Plate 1260 Variant
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3
Views
221
etmb61
etmb61
K
A spring winder
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67
Views
2K
Peter Verhulst
P
B
ATMOS swing changes with regulator adjustment. Reasons? Normal?
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2
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254
berntd
B
demoman3955
400 day
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6
Views
463
demoman3955
demoman3955
MUN CHOR-WENG
Early Becker with wood base and steel columns
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6
Views
436
MUN CHOR-WENG
MUN CHOR-WENG
L
GERMAN TIME BOMB!!
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113
Views
32K
Cheezhead
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S
Seth Thomas/Kundo Adventure
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3
Views
227
Ken M
K
D
ATMOS 519 Parts Needed
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0
Views
187
Don St Aubin
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V
Gustav Becker 400 day
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13
Views
4K
David138
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C
JUF plate 1471
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3
Views
279
clksmyhobby
C
Kieran McCarthy
Broken pivot on anchor pin.
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3
Views
319
Darrmann39
Darrmann39
D
JUF clock running very fast
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18
Views
690
KurtinSA
KurtinSA
H
Gustav Becker
Replies
5
Views
322
etmb61
etmb61
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