Seiko Cal. 6645 - 190

The Seiko 6645-190 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d1283cb514b7]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1971

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