Seikosha. A rare and unusual large nickel pilot's wristwatch with sweep centre seconds, made for the Japanese Imperial Navy

SIGNED SEIKOSHA, CASE NO. 53'218, CIRCA 1941

Details

Seikosha. A rare and unusual large nickel pilot's wristwatch with sweep centre seconds, made for the Japanese Imperial Navy
Signed Seikosha, case no. 53'218, circa 1941
Cal. 96 nickel-finished lever movement, 17 jewels, bimetallic compensation balance, black dial, white Arabic numerals, enlarged luminous Arabic 3, 6, 9 and 12 numerals, luminous hands, sweep centre seconds, large circular case, revolving bezel with inner 60 seconds ring, fixed lugs, snap on back with engraved Japanese inscription Airforce No. 7460, large ball-shaped crown, case stamped and numbered, movement signed
48.5 mm. diam.

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Lot Essay

The present watch is one of the exceedingly rare wristwatches made by Seikosha for the pilots of the Japanese Imperial Navy in the 1940s.
The Seikosha company was established in Tokyo, Japan, in 1892 as the clock manufacturing branch of K. Hattori, a jewellery and watch firm that opened in the early 1880s. Over the years, Seikosha was divided and subdivided into a collection of smaller companies which later evolved into what is known today as the Seiko Corporation. Seikosha was especially well recognized for their production of military watches, including ship chronometers, wall clocks, pocket and wristwatches.

For an illustration and description of a similar watch see Militari da Polso by Leopoldo Canetoli and Francesco Ferretti, p. 100.

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