Seiko Cal. 5220 - 720

The 5220-720 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5220 caliber with 18j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-e6d581ac2284]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1999

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