Seiko Cal. 5220 - 171

This Hand-Winding model from 1977 features a 35mm PVD Black case. Powered by the 5220 caliber with 22j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e5e77cc611ef]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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