Seiko Cal. 4421 - 590

The 4421-590 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-33d924013014]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1994

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