Seiko Cal. 5630 - 838

The Seiko 5630-838 represents an important milestone in Seiko's 1980 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-fe1829baef02]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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