Seiko Cal. 4431 - 429

The Seiko 4431-429 represents an important milestone in Seiko's 1979 lineup. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-6306f5370d07]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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