Seiko Cal. 4427 - 467

This Spring Drive model from 1978 features a 42mm PVD Black case. Powered by the 4427 caliber with 23j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-9e3f98348950]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1978

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