Seiko Cal. 5617 - 307

The 5617-307 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-0d64603b3be5]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1989

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