Seiko Cal. 5284 - 231

This Hand-Winding model from 1976 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-4520ae1acd5e]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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