Seiko Cal. 6688 - 513

This Quartz model from 1966 features a 37mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-0a2c0ec41af9]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

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