PTS Resources (partner with Hangzhou Watch Company), is based in Hong Kong with offices in Shenzhen and Guangzhou. Made in China watch movements are painstakingly difficult to research and organize.
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Brand Citizen Watch Co. Caliber Number B612, B612A Manufacturer Miyota (owned by Citizen) Movement Type Quartz, solar-powered Lignes Unconfirmed Diameter Unconfirmed Height Unconfirmed Jewel Count No jewels (0) Frequency 32,768
Brand Junghans Caliber Number J800.1 Base Caliber ETA 2824-2 or Sellita SW200-1 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Thickness 4.6mm Jewels 25 or 26 Vibrations Per Hour
Manufacturer Seiko Caliber Number 7009, 7009A Movement Type Automatic, self-winding mechanical Diameter 27.4mm Casing Diameter 27mm Height 4.9mm Jewel Count 17 Beat Rate 21,600 vph Lift Angle Unconfirmed Power Reserve
Manufacturer ETA Caliber Number E64.111, E64111 Base Caliber ETA E64.111 Movement Type Quartz, battery-powered Thermocompensated? Possible (see below) Lignes 11.5”’ Diameter 25.6mm Height 1.95mm (not including the battery) Jewels Eight
Manufacturer ESA (Ebauches S.A.) Caliber Number 9154 Movement Type Electronic Lignes 12.5”’ Diameter 28mm Height 5.5mm Jewel Count 13 Frequency 28,800 vph, 4Hz Battery Cell 344 (unconfirmed!) Battery Life Unconfirmed
Manufacturer Seiko Caliber Number 6923, 6923A Movement Type Quartz, battery-powered Display Analog Outside Diameter 25.3mm Height 2.5mm Jewel Count 2 Frequency 32,768 Hz Battery Cell SR926SW Battery Life ~5 years
Manufacturer Seiko Brand Pulsar Caliber Number Y301, Y301A Movement Type Quartz, high-accuracy quartz Diameter 20mm Casing Diameter 19.5mm Height 1.6mm Jewel Count 3 Frequency 32,768 Hz Accuracy Rating +/-10 sec/yr
Manufacturer Orient Caliber Number F6S22 In-House? Yes Movement Type Automatic, self-winding mechanical Diameter Unconfirmed Height Unconfirmed Jewel Count Twenty-four (24) Beat Rate 21,600 vph Lift Angle Unconfirmed Power Reserve ~40
Manufacturer Miyota (Citizen Watch Co., LTD.) Caliber Number 6N00 Movement Type Quartz, battery-powered Lignes 13”’ Diameter 28.8mm Height 4.3mm Jewel Count 0 (no jewels) Frequency 32,768Hz Accuracy Rating +/- 20
Manufacturer Miyota (Citizen Watch Co., LTD.) Caliber Number 6N10 Movement Type Quartz, battery-powered Lignes 13”’ Diameter 28.8mm Height 4.3mm Jewel Count 0 (no jewels) Frequency 32,768Hz Accuracy Rating +/- 20
Manufacturer Seiko Caliber Number 6R51 Base Caliber Seiko 6R55 In-House? Yes Movement Type Automatic, self-winding mechanical Diameter Unconfirmed Height Unconfirmed Jewel Count 24 Beat Rate 21,600 vph Accuracy Rating -15~+25
Brand IWC (International Watch Co.) Caliber Number 69385 Movement Type Automatic, self-winding mechanical Diameter 30mm Height 7.9mm Jewel Count 33 Total Components 242 parts Beat Rate 28,800 vph, 4Hz Lift
Brand Longines Caliber Number L157 Base Caliber ETA 255.112 Movement Type Quartz, battery-powered Lignes 11.5”’ Diameter 25.6mm Height 1.95mm Jewel Count 6 Beat Rate 32,768 Hz Battery Cell 373 Battery
Manufacturer ETA Caliber Number 255.112 Movement Type Quartz, battery powered Lignes 11.5”’ Diameter 25.60mm Thickness 1.95mm Jewels 6 Frequency 32,768 Hz Battery Cell 373 Battery Life 25 months Stem 8022502
Sources
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