Seiko Cal. 4433 - 138

This Spring Drive model from 1982 features a 34mm Gold-Plated case. Powered by the 4433 caliber with 20j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-d8f7ec43088f]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1982

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