Seiko Cal. 6688 - 612

The 6688-612 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-02f4b14c5c90]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

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