Seiko Cal. 5628 - 790

The Seiko 5628-790 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-4e567fe8ed5b]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

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