Seiko Cal. 5613 - 635

The Seiko 5613-635 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-94e21fe5ef9b]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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