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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

Tissot 2481

Features
automatic
sweep second
date: quickset by repeated pushing the crown

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 5.35mm
F= 1.4mm
T= 2.0mm
21/24 jewels
f = 21600 A/h
power reserve 42h

Balance staff U2480

Stem W2696, W3106 (Seastar Seven)

Mainspring / battery
Zf2960-X, 1.20 x 9.0 x 0.115 x 280mm

Hands
1.50 x 0.90 x 0.21mm

Comments about the data

Remarks
1972-1980
option: plastic bushings instead of dial screws (for monoshell cases, dial plugged)
without excenter regulator for Langendorf (signature Lanco or CJ, Fig.3)
equivalent to Omega 1481

family:
in brackets US version
2451 (2452): manual wind
2461 (2462): manual wind, date
2471 (2501): automatic
2481 (2511): automatic, date
2531 (2611): automatic, 24h, date
2541: manual wind, no second
2551 (2552): manual wind, date, no second
2571 (2591): automatic, day date
2481: automatic, digital, date

Example, year: signature; shock device
1-2) 1972: 15780760, Tissot, Swiss; Incabloc
(24 jewels)
3-5) ca.1975: CJ, Swiss, 21 Jewels; Incabloc
(Langendorf)

Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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