Seiko Cal. 6662 - 631

This Spring Drive model from 1989 features a 36mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-157d3b10c495]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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