Seiko Cal. 3871 - 193

This Hand-Winding model from 1976 features a 42mm Gold-Plated case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-0631e1233f35]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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