Seiko Cal. 6688 - 348

The 6688-348 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-8940f28ff377]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1978

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