The engine turned Denison case with hinged back and inner cuvette, stamped on the bow D.Q. (Denison Quality). The white enamel dial with black Roman hour numerals, outer minutes chapter, offset seconds at VI and blued steel spade hands. The fully jewelled movement of typical Swiss quality with screwed in jewels throughout, lever escapement with split, bi-metallic temeperature compensated balance with blued steel overcoil hairspring and micrometer regulation, being signed to the winding wheel, HELVETIA.
Date: Hallmarked 1920
Diameter: 50.5 mm
Price: £400
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