Seiko Cal. 6387 - 147

The Seiko 6387-147 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-87c07d12ffdf]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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