36.00 mm case diameter, two-tone matte silvered dial signed ABERCROMBIE & FITCH CO Solunar, luminous Arabic numerals with polished outer chapter ring calibrated to 60 units, luminous blued steel alpha hands with center sweep seconds, subdial at 6 o'clock for tidal indication with setting button at 4 o'clock, screw on case back, Cal. 90.1 17 jewel manual wind rhodium plated movement signed ABERCROMBIE & FITCH Co., stepped polished and brushed case with turned-down lugs, later dark red leather strap, steel tang buckle.
Inner case back stamp: ABERCROMBIE & FITCH Co MADE IN SWITZERLAND.
Case serial number: 87240.