Seiko Cal. 6311 - 107

The Seiko 6311-107 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-75e421320bac]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

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