Seiko Cal. 6688 - 738

This Hand-Winding model from 1981 features a 43mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-de4dd85625c1]

Also known as: Monster, Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

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