Seiko Cal. 5256 - 540

The Seiko 5256-540 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-e0ced62356e0]

Also known as: Sea Horse, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1990

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