Seiko Cal. 6310 - 887

The Seiko 6310-887 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7627b6fc24b7]

Also known as: Bullhead, Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1979

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