Seiko Cal. 4420 - 524

The Seiko 4420-524 represents an important milestone in Seiko's 1975 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-76080d8261bf]

Also known as: Monster, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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