Seiko Cal. 4555 - 731

This Automatic model from 1986 features a 46mm Stainless Steel case. Powered by the 4555 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-16207ce20fac]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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