Bidspirit auction | [Gruen. 41 rubies]. A rare

[Gruen. 41 rubies]. A rare 18K gold minute repeating and split seconds chronograph wristwatch. - Dietrich Gruen (Gruen Watch Company), movement No. 42527, case No. 93725, circa. 1920s. - Diameter (case): 46 mm. - Description: The case is made of 18K gold. Marks are on both lids: 1) ”0.750”, mark of trade company ”HY Moser &Co”, ”women's head in kokochnik facing left”, ”93725”; 2) ”18K”, ”women's head in kokochnik facing left”, mark of trade company ”HY Moser &Co”, ”93725”. Engraved inscription on the inner lid: ”Made to special order by DIETRICH GRUEN No. 42527”. 41 rubies. White enamel dial with two sudsidiary dials indicating constant seconds and 30 minute register, minute repeating on two gongs. Defects: Condition report by request. Video of movement and chiming:  https://www.youtube.com/playlist?list=PLdmudXQt4ZbJrr6AmzpuzeqYYYE2QtuuI