Seiko Cal. 4420 - 665

The Seiko 4420-665 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-1ea8812901e4]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1979

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