Seiko Ref. 6217-8000 62MAS in Steel

CIRCA: 1965
REF.: 6217-8000
CASE NUMBER: 5509916
CASE MATERIAL: Stainless steel
CASE DIMENSIONS: 37 mm in diameter
DIAL: Dark grey sunburst dial with black on white date at 3. Large applied rectangular hour markers with luminous material. Rotating black dive bezel
BRACELET MATERIAL: Tropic rubber
BRACELET SIZE: 6-1/4 to 8-1/4 inches
MOVEMENT: Automatic
FUNCTIONS: Time, date, rotating dive bezel
CALIBER: 6217A

Seiko released the 62MAS (reference 6217) in 1965. At the time of its release, the 150 meter depth rating was the deepest produced by the manufacturer. This watch features a fully graduated bi-directional bezel and large luminous hour plots and hands.