Seiko Cal. 6643 - 457

This Hand-Winding model from 1987 features a 35mm PVD Black case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-ce6fda1c2163]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

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