Manufacturer Miyota Caliber Number 9100 Movement Type Automatic, self-winding mechanical Lignes 13.5”’ Diameter 30.2mm Height 5.52mm Jewels 26 Vibrations Per...
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Manufacturer Tianjin Sea-Gull Caliber Number TY-2871, TY2871 Base Family ST16 (based on Miyota 8 series) Movement Type Automatic, self-winding mechanical...
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I just purchased a Tisell GMT, P00000BX, that claims to have this movement. I should…
PS. The "Anti-Shock Device" in this caliber is Nivachoc, not Incabloc.
In several sources I found interesting information that this particular caliber has its small seconds…
In my opinion, it runs so accurately, because I hand wind it every nigh or…
My Tissot heritage 1938 cosc, has been running around +15s/month. ETA 2824-2 cosc is an…
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The Ciga Design Series U Black Hole Watch (Black Steel) uses a Miyota 6T15 movement…