Seiko Cal. 6388 - 387

The Seiko 6388-387 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-910ae194186c]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1969

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