Seiko Cal. 5640 - 619

This Hand-Winding model from 1998 features a 45mm Gold-Plated case. With its 21mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-720c6542b9af]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1998

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