Seiko Cal. 4427 - 871

The 4427-871 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-cdd14272c8f1]

Also known as: Monster, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1976

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