Seiko Cal. 6257 - 405

The Seiko 6257-405 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-70b45bc94bde]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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