Seiko Cal. 4431 - 820

This Automatic model from 1997 features a 45mm Gold-Plated case. Powered by the 4431 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3207860c25c0]

Also known as: Samurai, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1997

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