Seiko Cal. 5257 - 730

The Seiko 5257-730 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-32c8e48d5221]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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