Seiko Cal. 3817 - 979

This Spring Drive model from 1978 features a 46mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-79cfd554f37d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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