What is a GMT watch? GMT is a complication or function on a watch that displays the time in a second time zone. A GMT watch typically has an extra
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This caliber JLC 899 was found in a Jaeger-LeCoultre Master Control Date in 18K gold (reference 176.2.40.S aka Q1542520). Each caliber 899 is said to be tested rigorously for 1,000
Manufacturer ISA Caliber Number 8176/1990, 8176A Movement Type Quartz, battery-powered Lignes 11.5”’ Diameter: 25.6mm Height 3.7mm (6.8mm total height) Jewels 9 Battery Cell Number 399 (SR927W) Battery Life 39 months
Brand Davosa Caliber Number DAV 3032, DAV3032 In-House? No Base Caliber See below… Type Automatic, self-winding mechanical, GMT Lignes 11.5”’ Diameter 25.6mm Height 4.1mm thick Jewels 21 Power Reserve 50-56
Manufacturer Seiko Caliber Number 7T12 / 7T12A Type Quartz, battery-powered Lignes 12”’ Diameter 27mm Thickness 4.34mm Jewel Count No jewels (0) Frequency 32,768 Hz (cycles per second) Accuracy Rating +/-
Brand Delma Caliber Number DT100.01 In-House? No (manufacture) Exclusive? Yes Movement Type Mechanical, manual-wind, tourbillon Diameter 31.8mm Height 6.5mm Jewel Count 19 Beat Rate/ Frequency 21,600 bph / 3 Hz
Brand Bremont Caliber Number 9130 In-House? No Movement Type Mechanical, manual-wind, tourbillon Chronometer Spec? Yes Jewel Count 19 Beat Rate / Frequency 21,600 bph / 3 Hz Accuracy Rating -3
Manufacturer ETA Caliber Number 2484 Movement Type Automatic, self-winding mechanical, lever style Lignes 11.5”’ Diameter 25.6mm Height 5.3mm Jewel Count 25 Beat Rate 18,000 bph Lift Angle 52 degrees Power
Manufacturer S. Epson Corp. (Seiko owned) Caliber Number VX9N, VX9NE Movement Type Quartz, battery-powered Lignes 12.75”’ Diameter 29.5mm Casing Diameter 28.6mm Height 3.99mm Jewel Count 0 Frequency 32,768 Hz Accuracy
Brand Laco Caliber Number 261 In-House? No Base Caliber Sellita SW261-1 Movement Type Mechanical, manual-wind Lignes 11.5”’ Diameter 25.6mm Height 4.35mm Jewel Count 23 Beat Rate / Frequency 28,800 bph
Brand A. Schild Caliber Number 1700, AS1700, AS 1700 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height 5.25mm Jewel Count 17, 21, 25, 30 (maybe more?) Beat Rate
Manufacturer Longines Caliber Number 9L Movement Type Mechanical, manual-wind In-House? Yes Diameter 26mm x 17.8mm Height ~3.5mm Jewel Count 17 Beat Rate 18,000 bph Lift Angle Unconfirmed Power Reserve 38
Brand Longines Caliber Number L888.6 In-House? No Base Caliber ETA A31.L11 Movement Type Automatic, self-winding mechanical COSC? Yes Lignes 11.5”’ Diameter 25.6mm Height 3.85mm Jewels 21 Power Reserve ~72 hours
Manufacturer Angelus Caliber Number A5000 In-House? No (manufacture) Manufacturer La Joux-Perret (LJP) Movement Type Mechanical, manual-wind Diameter 29.4mm Height 4.2mm Jewel Count 23 Beat Rate / Frequency 21,600 bph /
Brand Longines Caliber Number L615 (L615.2, L615.3) Base Caliber ETA 2895-1 or 2895-2 ETA Grade Elabore Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Overall Diameter 26.2mm Casing Diameter 25.6mm Height
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