Seiko Cal. 5631 - 288

The Seiko 5631-288 represents an important milestone in Seiko's 1980 lineup. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-7c778156d0ab]

Also known as: Pogue, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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