Seiko Cal. 4431 - 228

The Seiko 4431-228 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-673fedcff77b]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1984

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