Seiko Cal. 6688 - 852

The Seiko 6688-852 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fb3dbc58f98d]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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