Caliber 540 Atmos Part Numbers
Copyright 1995-2022 by Michael P. Murray & Mike's Clock Clinic
All illustrations and pictures are courtesy of Jaeger-LeCoultre
Jewels and bushing REGULATING ORGAN MOTOR Screw assortment; Screws for: CASE SPARE PARTS Ref. 220.006
4280 Glass bell
4282 Base
4283 Base plate with center tube
4284 Inferior column
4286 Intermediate bar assembled
4288 Superior column
4290 Column head assembly
4292 Regulating foot mounted
4294 Stud-bolt
4296 Washer for stud-bolt
4298 Nut for stud-bolt
4300 Gasket for regulating foot
4302 Washer for foot
4304 Pillar for regulating foot
4306 Plate engraved with owner number
4308 Plate engraved 150 anniversary
4310 Plate for owner
4312 Gasket for glass bell
4314 Dial support plate
4316 Flange for dial
4318 Washer for dial
4320 Dial
4322 Hour hand
4324 Minute hand
Ref. 220.007 Memberships: Clocksmiths; NAWCC
Copyright © 1995-2022 by Michael P. Murray & Mike's Clock Clinic
GEAR TRAIN
4000 3/4 Platine
4001 Mainplate mounted
4002 Barrel assembled
4003 Barrel arbor
4004 Barrel and cover
4005 Mainspring
4006 First wheel
4007 Second wheel
4008 Center wheel
4009 Escape wheel
4010 Pallets
4011 Minute wheel
4012 Hour wheel
4014 Winding wheel The spares ref. 4014 & 4015
4015 Lower ratchet wheel are only available together.
4016 Lower ratchet wheel spring
FRAME
4040 Movement frame mounted
4043 Movement holder ring
4045 Support
4050 Support pillar
4055 Distance piece mounted
4056 Locking lever mounted
4057 Locking finger
4058 Pipe for lock
4059 Locking spring
4060 Upper bridge assembled
4061 Regulating tube mounted
4062 Regulator tube
4063 Regulator
4064 Washer for regulator tube
4065 Pin for suspension wire
4330 Base
4332 Base plate
4334 Pillar
4336 Bezel
4338 Lock nut
4340 Door spring
4342 Spring for spirit level
4344 Spirit level
4346 Rubber for regulating knob
4348 Rubber for superior glass
4350 Superior glass
4352 Backside glass
4354 Side glass
4356 Door
4358 Flange for dial
4360 Dial
4362 Hour hand
4364 Minute hand
4366 Immobile foot
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