Seiko Cal. 5231 - 145

The Seiko 5231-145 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-578b93b2c69b]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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