Mike's Clock Clinic's LeCoultre Atmos Clock Parts Page

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There is a FTP version of the same file at
ftp.webcom.com/pub/z4murray/atmos/atmopart.mcc

LeCoultre Atmos Part Numbers and Their Availability

I have many Atmos parts for sale. For more information please see My Atmos parts Sales page.

All illustrations and pictures are courtesy of Jaeger-LeCoultre

In general, the Atmos II, 519, 529 take unique parts. The 522, & 532 take all 526/528 parts accept the escape wheel, which is a 519 part. The 540 and higher all take 540 parts.

The movement caliber number is usually stamped on the front plate of movement (see repair guide for location). Another location is found on the bottom of the case, please be sure to lock the pendulum before you look for the caliber number located on the bottom of the case. The following are the most popular caliber numbers: Movement Caliber:
Cal. 540 Cal. 532 Cal. 529 Cal. 528 Cal. 526 Cal. 522 Cal. 519 Cal. Atmos II
The Atmos II and the 519 are not marked for their caliber, the distinct difference is that the Atmos II as a "knob" for adjusting the fast and slow. Atmos II's and caliber 519's can be identified by the fact that their fork has a large rounded "apple" end.
The Atmos II and caliber 519's can use most of the parts and their number listed here. Please see 519 parts list for a complete listing for those parts and part numbers. Specifically, the Atmos II and caliber 519 MUST take unique parts for each of the following:
Barrel # 3820 Barrel arbor # 3821 Movement plate # 3824 3/4 plate # 3825 Fork # 3826 & # 3827 Third Wheel # 3832 Center wheel # 3833 Escape wheel # 3835 Clicks and pulley assembled # 3875 Arbor and ratchet assembled # 3877 Roller # 3879 Intermediate wheel # 3886
So, generally speaking all movement wheel and plates are different with the one exception of the fourth wheel, which is the wheel that carries the minute hand. Virtually all other parts are interchangeable.
The two below are in the frame and not in the actual movement.
The gears are arranged as follows:
# 3481 the mainspring barrel # 3497 the intermediate wheel
The movements gear follow:
# 3400 Center wheel (The intermediate wheel drive this movement gear.) # 3401 Third wheel # 3402 Fourth wheel (The minute hand attaches to this gear.) # 3409 Escape wheel # 3410 Pallet fork and staff

The following is all the information I have on obtaining Atmos parts.

Atmos parts

The following is a complete list of the Atmos parts for the calibers 522 through 532. The caliber 540 was a complete "overhaul" from the previous design and their part numbers are totally different. I have a separate listing for 540 parts .

Atmos Clock Parts List for Calibers 522 through 532.

Atmos Clock Parts List for Calibers 522 through 532.

Description


3400		Center Wheel
3401		3rd Wheel
3402		4th Wheel - Minute Wheel
3403		Hour Wheel Stud
3404		Hour Wheel
3405 		Bushing
3406		Minute Wheel - Intermediate wheel or idler gear
3407		End Stone (2 jewels)
3408		End Stone (1 jewel)
3409		Escape Wheel
3410		Pallet, Fork & Staff
3414		Dial (state color, size, shape and numerals)
3415		Minute Hand
3416		Hour Hand
3417v		Water Level
3417vi		Water Level
3417viii 	Water Level
3418		Rubber Bushing
3430		3/4 Plate & Pallet Stud Screw
3431		End Stone Screw
3432		Movable Cannon Screw
3450		Upper & Bottom Center Wheel Jewel
3451		Upper 3rd Wheel Jewel
3452		Bottom 3rd Wheel Jewel
3453		Bottom 4th Wheel Jewel
3454		Escape Wheel & Lever Wheel Jewel
3455		End Piece Jewel
3457		Entry Pallet Jewel
3458		Exit Pallet Jewel
3481		Barrel
3482		Barrel Cover
3483		Mainspring
3484		Bridle
3485		Mainspring Arbor
3486		Chain & Spring Pulley
3487		Click Spring
3488		Pulley Washer
3489		Ratchet Click
3490		Counter Spring
3491		Chain
3492		Chain Stopper
3493		Spring Guide
3494		Coil Spring (52mm)
3495		Pulley Spring
3497		Intermediate Wheel - 2nd wheel on frame
3499		Lower Bridge
3500		Bent Locking Washer
3501		Friction Washer
3502		Stopping Spring
3504		Roller Spring
3505		Roller Spring Pin
3506		Roller (COMPLETE)
3507		Roller Washer
3508		Roller Staff
3509		Roller Staff Pin
3510		Regulating Clamp
3512		Regulating Cannon & Spring
3513		Complete Regulator
3514		Upper Bridge Support Washer
3516		Regulating Spring Pillar
3517		Suspension Unit
3518		Suspension Cannon Wire Pin
3519		Motor Knob
3420		Moving Center Point
3521/1.0 	Regulating Mass (1.0mm)
3521/1.5 	Regulating Mass (1.5mm)
3521/2.0 	Regulating Mass (2.0mm)
3522		Regulating Stud
3524		Banking Washer (Cal. 526, 528)
3526		Cylindrical Nut (Cal. 528)
3533R		Dial Rest (for ROUND dial)
3533S		Dial Rest (for SQUARE dial)
3536		Lower Bridge
3538		Moving Tube
3539		Balance Wheel
3540		Balance Wheel Tube
3541		Stop Finger
3542		Outside Stopping Spring
3543		Counter-Nut Stop Finger
3544		Inner Stop Spring
3545		Inner Stop Arbor
3546		Motor Protecting Plate
3547		Coil Spring (70mm)
3548		Cover Spring Guide
3550		Barrel Cover Screw
3551		Plate & Bottom Bridge Screw
3552		Spring Guide & Roller Washer Screw
3553		Regulating Cannon & Spring Screw
3554		Banking Washer Screw
3555		Suspension Cannon Wire Screw
3556		Movement Fixing Screw
3557		Clock Base & Bottom Plate Screw
3558		Stopping Spring Screw
3559		Stopping Lever Screw
3560		Dial Screw
3562		Upper Bridge & Balance Screw
3563		Dial Rest Screw
3564		Clock Base Screw
3565		Stop Finger Screw
3580		Metal Drum
3581		Bellows
3582		Drum Cover (Cal. 526, 528)
3582i		Drum Cover
3582ii		Drum Cover
3583v		Clock Base
3583viii 	Clock Base (BRUSHED)
3583viii 	Clock Base (POLISHED)
3584		Upper Frame
3585		Bottom Frame
3586vi		Holder
3586viii 	Holder
3587iv		Back Holder
3587v		Back Holder
3587viii 	Back Holder
3588v		Front Holder (RIGHT)
3588viii 	Front Holder (RIGHT)
3589v		Front Holder (LEFT)
3590v		Upper Bezel (       x          mm)
3590viii 	Upper Bezel (POLISHED) (142 x 189mm)
3590viii 	Upper Bezel (BRUSHED) (142 x 189mm)
3591v		Bottom Bezel  (       x          mm)
3591viii 	Bottom Bezel  (POLISHED) (       x          mm)
3591viii 	Bottom Bezel (BRUSHED) (       x          mm)
3592v		Upper Glass (115 x 157mm)
3592vi		Upper Glass (131 x 179mm)
3592viii 	Upper Glass (131 x 179mm)
3593v		Side Glass (115 x 182mm)
3593vi		Side Glass (       x          mm)
3593viii 	Side Glass (       x          mm)
3594v		Front/Back Glass (       x          mm)
3594vi		Front/Back Glass (       x          mm)
3594viii 	Back Glass (       x          mm)
3595v		Back Glass (142 x 90mm)
3595viii 	Back Glass (       x          mm)
3596		Front Glass (Cal. 522 & 532)(117 x  117mm)
3596vi		Front Glass (144 x 185mm)
3596viii		Front Glass (163 x 181mm)
3597		Rubber Joint
3598		Holder Screw
3599		Clock Case Bezel Screw
3600		Door Front Bezel Screw
3601		Upper Bezel Screw
3602		Bottom Bezel Screw
3603		Clock Case Plug
3604		Clock Case Plug Screw
3605		Bottom Bezel Screw (case)




Case Style: (Roman numerals in above list)


The case style number is usually stamped on the under side of the case as
either a Roman number (as noted in parts list) or as an Arabic number along
with the movement caliber number (such  as VIII or 528-8).


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