Seiko Cal. 3816 - 898

This Spring Drive model from 1977 features a 38mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ee6ba39eb38b]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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