Seiko Cal. 5257 - 709

The Seiko 5257-709 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-fa1d49fe9aaf]

Also known as: Turtle, Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1981

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