Seiko Cal. 5644 - 990

This Hand-Winding model from 1993 features a 45mm PVD Black case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-3348ba938b54]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1993

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