Seiko Cal. 5257 - 491

This Hand-Winding model from 1979 features a 34mm Gold-Plated case. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-9e454f7a3d8e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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