Seiko Cal. 6688 - 935

The Seiko 6688-935 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-ca22ed33cfce]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1975

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