Seiko Cal. 5257 - 406

The Seiko 5257-406 represents an important milestone in Seiko's 1984 lineup. It features a White dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-8828bca9c109]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1984

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