CROTON (CHRONOMASTER AVIATOR - SEA DIVER), circa... Lot 49

CROTON (CHRONOMASTER AVIATOR - SEA DIVER), circa 1975 Pilot's chronograph signed Croton, distributor for the USA of the Nivada Grenchen brand, a manufacturer renowned for its high quality sports chronographs. Round steel case with screwed back (signed and numbered n° 107-37- 449). Large unidirectional steel bezel graduated over 60 minutes (with marks). Black dial with two silver ringed patinated counters: small seconds at 9 o'clock, minutes at 3 o'clock with 5-minute totalizer in red (patinated), internal tachymeter scale. Applied hour-markers and luminescent spatula hands. Two bracelets, one period leather strap and one period steel bracelet. Movement: hand-wound mechanical calibre signed CROTON / Landeron 248 Swiss. Diam. 38.5 mm. Condition: Very Fine (Reported case).