Manufacturer Grand Seiko Caliber Number T-Zero (T0) Movement Type Tourbillon, manual-wind In-House? Yes Diameter 36mm Thickness 8.22mm (total) Jewels 43...
Made in Japan
Manufacturer Seiko (aka Seiko Instruments, SII) Caliber Number NH71 (aka NH71A) Movement Type Automatic Lignes 12”’ Diameter 27.4mm Casing Diameter...
Manufacturer Seiko (aka Seiko Instruments, SII) Caliber Number NH70 (aka NH70A) Movement Type Automatic Lignes 12”’ Diameter 27.4mm Casing Diameter...
Manufacturer Seiko Caliber Number 8L55, 8L55A Movement Type Automatic In-House? Yes Diameter (needs confirmed) Casing Diameter (needs confirmed) Height (needs...
Manufacturer Seiko Caliber Number 8L35, 8L35A Movement Type Automatic In-House? Yes Diameter (needs confirmed) Casing Diameter (needs confirmed) Height (needs...
Manufacturer Miyota (Citizen) Caliber Number 6S30 Type Quartz Lignes 15”’ Diameter 34.6mm Height 4.9mm thick Jewels 0 Battery Cell SR927W...
Brand Breitling Caliber Number 59 Base Caliber Citizen 3510 / Miyota 3S10 Type Quartz Lignes 13 1/2”’ Diameter 30.48mm Thickness...
Manufacturer Bulova (Citizen/Miyota) Caliber Number 8136 Type Quartz Lignes 15”’ Diameter 34.6mm Height 4.9mm Total Height 8.5mm Battery Cell SR927W...
Manufacturer Seiko Caliber Number 6R35, 6R35A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Brand Seiko Caliber Number 6308, 6308A Base Caliber Seiko 6309A Movement Type Automatic Lignes 12”’ Diameter 27mm Height 5.2mm thick...
Brand Ruben & Sons (Technosablier) Caliber Number MD3G Base Caliber Miyota 8215 Movement Type Automatic Linges 11 1/2”’ Diameter 26mm...
Manufacturer Miyota (Citizen) Caliber Number 2453 Type Quartz Lignes 13.5”’ Diameter 30.2mm Height 4.35mm thick Total Height 6.2mm Dial Feet...
Manufacturer Seiko Caliber Number VS42A (VS42) Type Solar Powered (quartz) Lignes 11.5”’ Casing Diameter 28.6mm Thickness 3.5mm Total Height 5.7mm...
Manufacturer Bulova (Citizen) Caliber Number 8137 Jewels 11 Frequency 262.144 kHz Quartz Crystal 3-prong torsional resonator Hacking? Yes (energy saving)...
Brand Miyota (Citizen) Caliber Number 9039 Movement Type Automatic, self-winding Lignes 11 1/2”’ Diameter 26mm Thickness 3.90mm Total Height 5.64mm...
Brand Miyota (Citizen) Caliber Number 83S0 Movement Type Automatic Diameter 11 1/2”’ (26mm) Height 5.67mm Jewels 21 Vibrations Per Hour...
Manufacturer Seiko Caliber Number V157, V157A Type Solar Powered (quartz) Diameter 28.6mm Casing Diameter 24mm Thickness 3.5mm Total Height 5.8mm...
Manufacturer Seiko Caliber Number PC32, PC32A Type Quartz Lignes 10.5”’ Diameter 23.7mm Casing Diameter 18.10mm Thickness 4.15mm Jewels 0 Battery...
Manufacturer Seiko Caliber Number 2906, 2906A Movement Type Automatic Diameter 18mm (casing) Height 5.35mm Jewels 17 Vibrations Per Hour 28,800...
Manufacturer Miyota (Citizen) Caliber Number 2035 Type Quartz Lignes 6 3/4”’ x 8”’ Diameter 18.5mm x 15.3mm Height 3.15mm thick...
Manufacturer Miyota (Citizen) Caliber Number JS06 Type Quartz Diameter 12.5”’ (28.2mm x 26mm) Casing Diameter 27.6mm x 26mm Height 4.30mm...
Manufacturer Seiko Caliber Number 7T92 / 7T92A Type Quartz Diameter 12”’ (24.1mm x 27.6mm) Thickness 3.3mm Jewels 0 Battery Cell...
Manufacturer Seiko Instruments (SII), Time Module (TMI) Caliber Number NE15B Base Caliber NE15 Movement Type Automatic Diameter 27.40mm Casing Diameter...
Manufacturer Miyota (Citizen) Caliber Number 0S30 (sometimes typed as OS3O) Type Quartz Diameter 13.50”’ (30.80mm) Height 4.13mm Jewels 0 Battery...