Seiko Cal. 5622 - 637

The Seiko 5622-637 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-4c4f28dee5c1]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1967

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