Seiko Cal. 5257 - 931

The Seiko 5257-931 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-7773433a8f9e]

Also known as: Pogue, Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1974

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