Seiko Cal. 5631 - 414

This Automatic model from 1989 features a 35mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-9d81e5b1756d]

Also known as: UFO, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

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