Seiko Cal. 4431 - 199

The Seiko 4431-199 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-fa79f2492837]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1967

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