Manufacturer S. Epson Corp. (Seiko) Caliber Number VS22B (VS22) Type Solar Powered (quartz) Lignes 7.75”’ Diameter 18.5mm x 17.5mm x 18.36mm Casing Diameter 18.1mm Thickness 2.63mm Total Height 2.76mm (with
443Articles
Manufacturer IWC (International Watch Co.) Caliber Number 69380 Base Cal. 69370 Mvmt. Type Automatic, self-winding mechanical, chronograph In-House? Yes Diameter 30mm Height 7.9mm Total Parts 242 Jewels 33 Vibrations Per
Manufacturer Seiko Caliber Number V147, V147A Movement Type Solar Powered (quartz) Display Style Analog with calendar Diameter 28.6mm Casing Diameter 24mm Thickness 3.5mm Jewels 2 Frequency 32,768 Hz Accuracy +/-15
Manufacturer Seiko Caliber Number 5S21, 5S21A Movement Type Quartz Diameter 24mm Casing Diameter 23.3mm Height 2.2mm (2.3mm with battery) Jewels 7 Frequency 32,768Hz Battery Cell SR920SW (371) Battery Life ~2
Brand Chronoswiss Caliber Number C.672, C672 Base Caliber ETA/Unitas 6497-1 Movement Type Mechanical, manual-wind Lignes 16.5”’ Diameter 36.6mm Height 5.4mm Jewels 18 Beat Rate 18,000 vph, 2.5 Hz Lift Angle
Brand Time Æon Foundation (Time Aeon) via Greubel Forsey and Urwerk Caliber Naissance d’une Montre 2 Base Caliber Oscillon Movement Type Mechanical, manual-wind In-House? Yes Jewels Unconfirmed Total Parts Unconfirmed
The Time Æon Foundation is a small group of independent watchmakers with the aim of elevating the image of their professional and evolving its development. In the foundation’s own words:
Brand Ronda Caliber Number Ronda 6203.B Type Quartz Lignes 11.5”’ Diameter 26mm Thickness 3.3mm Jewels 1 or 5 (see blow) Battery Cell Number 373 (1.5 V) Claimed Battery Life 40
Manufacturer Sellita Caliber Number SW510 BH a, SW510 BHa, SW510BHa Base Caliber SW510 (base base is the ETA/Valjoux 7750) Movement Type Automatic, self-winding, bi-compax chronograph Lignes 13.25”’ Diameter 30mm Height
Manufacturer MB&F Caliber Number HM8 Mark 2 In-House? Yes and No (see below) Base Caliber Girard-Perregaux (caliber number unconfirmed) Type Automatic, self-winding mechanical Jewels 30 Number of Parts 247 Power
Manufacturer Rolex Caliber Number 4132 Movement Type Automatic, self-winding mechanical, chronograph In-House? Yes Chronometer? Yes (COSC + Superlative Rolex certification) Jewels 47 Power Reserve ~72 hours Beat Rate 28,800 vph
Brand Roger Dubuis Caliber Number RD115, RD115 Movement Type Mechanical, tourbillon In-House? Yes Lignes 16”’ Diameter ~36mm Height 12.2mm Jewels 29 Total Parts 277 components Beat Rate 21,600 vph (3
Brand Ingersoll Caliber Number IN522, 522 Movement Type Automatic, self-winding mechanical Lignes Unconfirmed Diameter Unconfirmed Height Unconfirmed Jewels 20 Beat Rate 21,600 vph Lift Angle Unconfirmed Power Reserve ~30 hours
Brand O.G Watches (Oliver Gallaugher) Manufacturer DK Precision Mechanics Caliber Number GUY-1 Base Caliber ETA/Unitas 6498-1 Movement Type Mechanical, manual-wind Lignes 16.5”’ Diameter 36.6mm Height 4.5mm Jewels 17 Beat Rate
Manufacturer Armin Strom Caliber Number ARF21 Based On Armin Strom ARF15 Movement Type Mechanical, manual-wind In-House? Yes Diameter 37.2mm Height 6.7mm Jewels 39 Total Parts 276 components Beat Rate 25,200
Sources
network of watch sites
