Seiko Cal. 6688 - 918

The 6688-918 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-246e66be7767]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1974

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