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
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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
Brand Minhoon Yoo Caliber ETA/Peseux 7001 Movement Type Mechanical, manual-wind Lignes 10.5”’ Diameter 23.3mm Height 2.5mm Jewels 17 Beat Rate 21,600 vph, 3Hz Lift Angle 50 degrees Power Reserve ~42
Brand Eterna Caliber Number 3030 Based On Eterna caliber 1505 Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 30mm Height 4.63mm Jewels 24 Beat Rate 28,800vph (4Hz) Lift Angle Unconfirmed
Brand NOMOS Glashütte Caliber Number DUW 4101, DUW4101 Based On NOMOS beta In-House? Yes Movement Type Mechanical, manual-wind Linges 14.25”’ Diameter 32.1mm Height 2.8mm thick Jewels 26 Beat Rate 21,600
Manufacturer Seiko (Daini Seikosha factory) Caliber Number 6106C Base Caliber 6106A Movement Type Automatic, self-winding mechanical Diameter 27mm Height 5.15mm Jewels 17, 23 or 25 Beat Rate 21,600 Lift Angle
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