Seiko Cal. 6688 - 230

This Solar model from 1977 features a 37mm Gold-Plated case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-19284b2eae48]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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