Seiko Cal. 7137 - 258

The Seiko 7137-258 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e3e29580833d]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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