Seiko Cal. 5628 - 734

This Spring Drive model from 1991 features a 39mm Two-Tone case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-00e71a4425ca]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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