Seiko Cal. 3878 - 601

This Spring Drive model from 1971 features a 37mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-54c0473f9681]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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