Seiko Cal. 5257 - 481

This Spring Drive model from 1981 features a 45mm Titanium case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-818c3c9b9a04]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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