BLANCPAIN FIFTY FATHOMS
ROTOMATIC INCABLOC STEEL
Blancpain, "Fifty Fathoms" Rotating Incabloc.
Made in the 1950's.
Unusual, stainless steel, center-seconds, self-
winding, water-resistant, diver's wristwatch with
revolving bezel.
Two-body, polished, screw-down reverse,
bi-directional revolving black bezel with luminous
5 minute markers.
Black with luminous dart indexes and quarter
Arabic numerals, inner white minute ring with
square luminous quarters. Luminous index hands.
Cal. AS 1361N, rhodium-plated, 17 jewels,
straight-line lever escapement, monometallic
balance, shock absorber, self-compensating flat
balance spring.