Seiko Cal. 4427 - 649

The Seiko 4427-649 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-f7b524b65a9d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1974

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