Seiko Cal. 6388 - 735

This Spring Drive model from 1971 features a 36mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-d51cfbdd1609]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

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