German gold chronograph watch in quality 1A Circa 1916

Gold Glashuette pocket watch with 30 min counter
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A gentleman’s rare, fine Glashuette pocket watch with chronograph and 30 min. counter, circa 1916. 18k gold case, smooth, à goutte, gold dome, chronograph pusher via pendant, engraved name with inlaid cobalt blue enamelled letters. Dial is enamel, Arabic “Empire” numerals, sunk center and auxiliary seconds, sunk 30 min. counter, Louis XV hands. 3/4 plate movement, frosted, gilt, blued screws, mirror-polished, bevelled chronograph steel parts, ratchet wheel, gold screw compensation balance, blued balance spring, florally hand-engraved balance cock, index spring fine adjusting device, gold lever and escape wheel, diamond endstone on balance, goldchatoned ruby endstone on balance and escape wheel.
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Diameter: 53 mm
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Weight: 104 g