Seiko Cal. 3818 - 235

This Quartz model from 1977 features a 37mm PVD Black case. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-4da6d473e9c7]

Also known as: Turtle, Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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