Seiko Cal. 5284 - 156

This Spring Drive model from 1981 features a 36mm Titanium case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-982463204f1a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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