Seiko Cal. 4431 - 371

The Seiko 4431-371 represents an important milestone in Seiko's 1998 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-3adc0b196331]

Also known as: UFO, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1998

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