Seiko Cal. 5617 - 128

This Automatic model from 1974 features a 40mm PVD Black case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-460a803e8715]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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