The 61xx movements

The 61xx is a line designed and manufactured by the Suwa Seikosha. It is a line with a great number of variants, to equip from the simplest models till the “high-end” ones as the chronographs and the Grand Seiko 61GS.

The most known variant is calibre 6119. It is known for having equipped the basic collections, as the famous “Seiko 5”, which had a very numerous production, and had been exported to the whole world. The 6119 is also known and recognized by its robustness and precision. These are not characteristics only of 6119, but of all the 61xx line, that has calibre 6106 as the base-calibre.

The main characteristic of the line, in design terms, is the adoption of a great diameter balance wheel, and mainly, of the modular design of the automatic winding system. The entire automatic winding system is separated in a module, very easy of being disassembled, what results in an enormous practicity when overhauling. It is added with the patented Magic-lever, that produces an extremely efficient winding.