Description: 1970 Accutron Calendar CK

Model Name

Accutron Calendar CK

Case Date


Case Serial


Signature Locations

Outside case, movement, dial, crown

Case Signature Format



2181 (Accutron, tuning fork)

Case Material Description

Stainless Steel

Case Dimensions

42mm lug to lug x 35.8mm without crown

Case Type

Screw back with retainer ring

Crystal Specifications

33.2mm, round

Other Details

Inside of case reads, "3050, 1214", both printed in black ink


1970 Accutron Calendar CK