Seiko Cal. 4420 - 594

The Seiko 4420-594 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-91277843d5d5]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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