Seiko Cal. 4431 - 839

This Quartz model from 1984 features a 38mm Gold-Plated case. Powered by the 4431 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-527442da9aa6]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1984

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