Item Tag: 556, 556A RS

Sinn 556A RS with Fine Link Bracelet, Black Double-Textile Strap, +2spd accuracy

Sinn 556A RS. Tough, accurate (about +2 spd), versatile, works on any strap, works for all but the very largest or smallest wrists, AR on inside & outside, 200m water resistance, magnetic resistance, low-pressure resistance for when you dive hard in non-pressurized aircraft.