Seiko Cal. 4431 - 514

The Seiko 4431-514 represents an important milestone in Seiko's 1967 lineup. Powered by the 4431 caliber with 35j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-d36f98c27c0b]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1967

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