Seiko Cal. 5284 - 663

This Hand-Winding model from 1981 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-575d01ed1cd9]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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