Seiko Cal. 4427 - 503

The Seiko 4427-503 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-015ad02c0a3f]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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