Seiko Cal. 5221 - 321

The Seiko 5221-321 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-5da9844d4002]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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