Seiko Cal. 4420 - 945

The 4420-945 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-33f051ec8ba6]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1994

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