Seiko Cal. 6635 - 508

The Seiko 6635-508 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c89e572bc7f2]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1986

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