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Fig. 1 Fig. 2 | [SIZE=+1]Arogno 151[/SIZE] Features manual wind sub second Data 10.5''', Dm= 23.3mm, Do= 23.7mm H= 3.8mm F= 0.5mm T= 1.8mm 15/17 jewels f = 18000 A/h power-reserve 44h Balance staff U1483 / U3095 balance collet 0.85/0.9mm Stem W589 Mainspring / battery Zf1348, 1.65 x 9.0 x 0.10 x 290mm Hands 1.30 x 0.70 / 0.22mm Comments about the data | Remarks signature often or always Arogno 151 differences not known between 151-153 family: 151-153: 10.5''' 156, 157: 11.5''' Example, year: signature; shock device ca. 1950: Arogno 151, Swiss, 17 Jewels - WD |