Seiko Cal. 6631 - 563

This Automatic model from 1984 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-c6ab17ee877d]

Also known as: Pogue, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1984

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