Features manual wind sub second Data Dm= 30.0mm, Do= 30.5mm H= 4.05mm F= 0.5mm T= 1.7mm 15 jewels f = 18000 A/h power reserve 44h Balance staff U621(old), U2772(new) Stem W621 Mainspring / battery 1.50 x 11.5 x 0.14mm Hands 1.40 x 0.75 / 0.19mm Mecanismo de cuerda. Las fotos, representan siempre (salvo error) el…