Seiko Cal. 6257 - 726

The Seiko 6257-726 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-0c47bce38d36]

Also known as: Turtle, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

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