Seiko Cal. 5633 - 160

The Seiko 5633-160 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-990d5833a7bc]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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