Seiko Cal. 5257 - 676

The Seiko 5257-676 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-bf89f8e23ba1]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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