Seiko Cal. 4446 - 284

This Spring Drive model from 1992 features a 44mm PVD Black case. Powered by the 4446 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-da7a0b47a642]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1992

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