Seiko Cal. 5251 - 791

The Seiko 5251-791 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5d7d7ccf61d2]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

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