Seiko Cal. 5635 - 188

The Seiko 5635-188 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-1fe8f6f854b8]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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