Seiko Cal. 6646 - 871

The Seiko 6646-871 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3a1799c367a5]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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