Seiko Cal. 5227 - 991

The 5227-991 is a sought-after Solar piece from Seiko's golden era. Powered by the 5227 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-fe34081ceac6]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1982

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