Seiko Cal. 4427 - 829

This Spring Drive model from 1971 features a 34mm Two-Tone case. Powered by the 4427 caliber with 31j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-aa1cad19772b]

Also known as: Samurai, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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