Seiko Cal. 6397 - 523

This Spring Drive model from 1983 features a 38mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-4a78928b11c3]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

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