Seiko Cal. 3821 - 571

This Hand-Winding model from 1990 features a 41mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e05ec73ec4f4]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1990

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