Seiko Cal. 4431 - 278

The 4431-278 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ebe423ecd893]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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