Seiko Cal. 4420 - 571

The Seiko 4420-571 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-43fb1964e343]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1966

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