Seiko Cal. 5645 - 665

This Quartz model from 1996 features a 34mm Hardlex-Coated Steel case. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-f2656e8f5a7f]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1996

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