Seiko Cal. 5227 - 284

The 5227-284 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a3db40ca302e]

Also known as: Monster, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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