Seiko Cal. 6257 - 550

The Seiko 6257-550 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8eef20edf69a]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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