Seiko Cal. 5216 - 331

The 5216-331 is a sought-after Solar piece from Seiko's golden era. Powered by the 5216 caliber with 20j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-513cd919fec9]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1987

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