Seiko Cal. 5628 - 437

The Seiko 5628-437 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-083ce7d3d424]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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