Seiko Cal. 5257 - 149

This Hand-Winding model from 1978 features a 36mm Stainless Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-baa44f42037d]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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