Seiko Cal. 6644 - 403

This Spring Drive model from 1985 features a 43mm Titanium case. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-557f7693e0e5]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1985

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