Seiko Cal. 5257 - 823

The 5257-823 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-03957ad5dbd3]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1989

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