Description:  1965 Sea Cloud C

Model Name

Sea Cloud C

Case Date


Case Serial


Signature Locations

Outside case, movement, dial

Case Signature Format



10BZ, 23 Jewels, no adjustments indicated

Movement Date Code


Case Material Description

14K Gold (solid, yellow)

Case Dimensions

34.5mm lug to lug x 26.5mm without crown

(26.5mm without lugs)

Case Type

Crystal lifts, molded back, square

Crystal Specifications

24mm, round

Other Details


NOTES:  The back of the case also includes the trademark symbol of Jonell Watch Case Inc., which looks like the letter "J" with an arrow through it.  I now have quite a few models bearing this symbol, all dating in the 1960s and 1970s, some solid gold, some gold filled.

1965 Sea Cloud C