Seiko Cal. 7139 - 686

The Seiko 7139-686 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-86bb6fc28904]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

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