Seiko Cal. 4420 - 527

The Seiko 4420-527 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-719f979a6b7f]

Also known as: Pogue, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

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