Seiko Cal. 4579 - 841

This Hand-Winding model from 1973 features a 42mm Two-Tone case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-fa976cdc80c8]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1973

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