Seiko Cal. 6688 - 902

The 6688-902 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-51042018938a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1987

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