Seiko Cal. 6636 - 981

This Quartz model from 1971 features a 36mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-a0247be78b6f]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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