Seiko Cal. 5634 - 853

The Seiko 5634-853 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-10c2eca77c4d]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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