Seiko Cal. 5257 - 327

This Hand-Winding model from 1972 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-422690b6b8e8]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1972

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