Seiko Cal. 6331 - 479

Released in 1970, the Cal. 6331 with design code 479 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0a86714fe8dc]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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