Time 2 Timepiece

ETA 2487 RARE MECHANICAL WATCH MOVEMENT

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£16.00

Product ID507
BrandEta
ConditionBalance not damaged winds
Functions & Features

ETA 2487 MECHANICAL 

WORN WORKING NO COMPONENT DAMAGE

NOT RUNING REQUIRES SERVICE 

SWISS MADE JEWELED LEVER MOVEMENT



Fig. 1


Fig. 2

ETA 2487

Features
manual wind

Data
5.75 x 6.75''', Dm= 13.05 x 15.15mm
Do= 13.05 x 15.6mm
H= 3.5mm
F= 0.6mm
T= 1.7mm
17/21 jewels
f = 21600 A/h
power reserve 42h

Balance staff U2525 / U3125
balance with/without screws

Stem W2580

Mainspring / battery
Zf1002, 1.40 x 6.5 x 0.07 x 210mm

Hands
1.20 x 0.60mm

Comments about the data

Remarks
strange: indirectly driven minute allows a relatively big balance and low profile
The calibres 2480, 2485 and 2482, 2487 respectively are nearly identical, but mirror inverted. An equivalent pair was made as Eterna 1437/1447. As also the dial feet positions were mirrored, it is even impossible to use the same dials for both variants. The reason for these sets of twins are unknown, and for two-hands movements hard to understand.

family:
18000 / 21600 A/h respectively:
2480/2482: balance at 12h, barrel at 6h
2485/2487: balance at 6h, barrel at 12h

Example, year: signature; shock device
ca. 1965: EV, 17 Jewels, Swiss - Patented; Incabloc

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S.Rodwell & Son
16 Oaklea Crescent
Blantyre
G72 PX9
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