Gruen. A Stainless Steel Jump Hour Wristwatch
Signed Gruen, Movement No. 1'963'329, Case No. 204'419, Circa 1935
Mechanical movement, 17 jewels, silvered matte dial, Arabic numerals, jump hour at 12 o'clock with red Arabic numerals, inner railway minute divisions, subsidiary dial for constant seconds, rectangular-shaped case, stepped sides, engraved snap on case back, case, dial and movement signed
43mm overall length
Gruen. A Stainless Steel Jump Hour Wristwatch
Signed Gruen, Movement No. 1'963'329, Case No. 204'419, Circa 1935
Mechanical movement, 17 jewels, silvered matte dial, Arabic numerals, jump hour at 12 o'clock with red Arabic numerals, inner railway minute divisions, subsidiary dial for constant seconds, rectangular-shaped case, stepped sides, engraved snap on case back, case, dial and movement signed
43mm overall length
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