Seiko Cal. 4589 - 394

This Automatic model from 1978 features a 41mm PVD Black case. Powered by the 4589 caliber with 21j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-b3f3f5ad9553]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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