Seiko Cal. 4420 - 800

The Seiko 4420-800 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-6228c8f616a0]

Also known as: Goldfeather, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

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