Seiko Cal. 4420 - 451

The Seiko 4420-451 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-3f9030d2ecf3]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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