Seiko Cal. 4421 - 581

This Kinetic model from 1977 features a 43mm Two-Tone case. Powered by the 4421 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-6e3be006e535]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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