Seiko Cal. 6688 - 163

This Hand-Winding model from 1979 features a 35mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-802ee79abab5]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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