Seiko Cal. 5257 - 561

This Hand-Winding model from 1980 features a 40mm Stainless Steel case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7c98be73d545]

Also known as: Emperor, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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