Elgin 488

 
Elgin 488

Elgin 488

Description

At least in Europe, American Elgin movements are rather rare to find. The rectangular Elgin 488 built by serial number in 1934, is no exception.

base plate

base plate

Unfortunately, with the exception of the balance section, there are no jewels to be found here, but the bearings are at least not just simple drillings in the base plate, but neatly gripped and plugged.

gear train

gear train

The gear train design is classic, with a directly driven central minute wheel, third wheel, fourth wheel and gold-colored escapement wheel.

What is unusual is that the crown wheel is already mounted on the base plate, and not on or under the barrel bridge.

side view of the gear train

side view of the gear train

The rather large bimetallic screw balance is of course not yet shockprotected. It beats slowly with 18000 A/h, and the effective length of the Breguet hairspring is adjusted using of a long regulator arm.

All seven jewels are to be found in the escapement section: Four for the bearing of the balance wheel axis, one for the ellipse of the balance wheel and the two pallets of the lever.

inside the barrel bridge

inside the barrel bridge

Interestingly, the ratchet is on the inside of the barrel bridge.

Elgin 488: Dial side

Elgin 488: Dial side

The Elgin 488 uses a clutch winding mechanism. Besides, you can very nicely adjust the position of the lever banking pins.

Technical data

Manufacturer:Elgin
Caliber:488
Size:18/0''' (measured: 15,2 x 23,85mm)
A/h:18000
Number of jewels:7
Escapement:Pallet lever
Balance types: bimetallic screw balance (two legs)
Shock protection(s): none
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:no
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel
  • seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Construction type:solid construction
Winding mechanism:yoke winding system
Setting lever spring:1 hole(s)
Inventory number:21043

Usage gallery

Elgin gents watch  (case missing)

Elgin gents watch (case missing)

Other movements from Elgin