Steinhart caliber ST. 1 Premium Gold
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ST. 1 Premium Gold description
Base caliber ETA Unitas 6497-1, 16 1/2''
18,000 vibrations per hour
3/4-bridge with escape wheel island of Steinhart production
Radial, decentralized Geneva stripes
Pallet fork bridge pearled
Two-spoke screw balance
Bevelled swan-neck fine adjustment of Steinhart production
Skeletonized and brushed ratchet wheel
Perlage under the ratchet wheel