Seiko Cal. 5671 - 772

This Hand-Winding model from 1991 features a 45mm Stainless Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-3aaad929f5f1]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1991

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