Seiko Cal. 4427 - 906

The 4427-906 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-f0e5af0166a1]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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