Seiko Cal. 7151 - 284

The Seiko 7151-284 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-663d3eef4cbc]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1965

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