Seiko Cal. 5615 - 578

The Seiko 5615-578 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ab78952afa42]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1971

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