Seiko Cal. 6688 - 551

This Hand-Winding model from 1981 features a 42mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1d48d28021a7]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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