Manufacturer Tudor Caliber Number MT5400, MT-5400 In-House? Yes Diameter 31.8mm Thickness 6.5mm Vibrations Per Hour 28,800 bph (4Hz) Lift Angle...
No Date
Brand Rolex Caliber Number 3230 Based On Rolex 3130 Movement Type Automatic, self-winding mechanical In-House? Yes Chronometer? Yes (COSC +...
Manufacturer Seiko Instruments Inc. / SII / Hattori / TMI Caliber Number VH31, VH31A, VH31B Type Quartz (mechaquartz), battery-powered Lignes...
Manufacturer Seiko Caliber Number 6R31, 6R31A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Brand Miyota (Citizen) Caliber Number 8N24 Movement Type Automatic Lignes 11.5”’ Diameter 26mm Height 5.55mm Minimum Case Diameter 30.3mm Minimum...
Brand Longines Caliber Number L888 (no date version) In-House? No Base Caliber ETA A31.L11 Movement Type Automatic COSC? No Lignes...
Manufacturer Tudor Caliber Number T600 Base Caliber ETA 2824-2 or Sellita SW200-1 Movement Type Automatic, self-winding mechanical In-House? No COSC?...
What is a Phantom Date on a watch movement? A Phantom Date is when a watch doesn’t have a cut-out...
Manufacturer Tudor Caliber Number T601 Base Caliber ETA 2824-2 or Sellita SW200-1 Movement Type Automatic, self-winding mechanical In-House? No COSC?...
Manufacturer ETA Caliber Number 2525 Family ETA 2500 series Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Thickness 4.7mm...
Manufacturer Miyota (Citizen) Caliber Number 9039 Base Framework 9015 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 26mm Thickness 3.90mm...
Manufacturer Sellita Watch Co SA Caliber Number SW200-1, SW-200-1 Base Caliber SW200 Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm...
Brand Oris Caliber Number 732 Base Caliber Sellita SW200-1 Movement: Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height 4.6mm thick...
Manufacturer Seiko (SII, TMI) Caliber Number NH38, NH38A Movement Type Automatic, self-winding mechanical Diameter 27.40mm Casing Diameter 29.36mm Height 5.32mm...
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Revelot Veloce R9 series watches use this movement.
ORIENT GP STAINLESS STELL BACK GA058U4-40 B2 JAPAN
The Seiko SRPK31 with this movement has been my daily for the past 3 months…
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Aragon Watch based in USA used this movement in their Divemaster titanium watch in 2024.It…
Now that's a nice looking watch
Thank you for sharing.