Seiko Cal. 4526 - 137

The Seiko 4526-137 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-bbb4c2aef047]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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