Seiko Cal. 5617 - 921

The 5617-921 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-e6e199d09b60]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1986

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