Seiko Cal. 4420 - 439

The 4420-439 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-6bb639c1e394]

Also known as: Bellmatic, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1989

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