Seiko Cal. 4433 - 507

This Spring Drive model from 1981 features a 42mm PVD Black case. Powered by the 4433 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-dc8a6de48999]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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