Seiko Cal. 7017 - 257

The Seiko 7017-257 represents an important milestone in Seiko's 1969 lineup. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-80b920e159a7]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

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