Seiko Cal. 6688 - 988

The 6688-988 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-314cda2665ea]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1994

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