Seiko Cal. 7188 - 397

The Seiko 7188-397 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b38ff3ee28ad]

Also known as: Crown, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1976

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