Seiko Cal. 4421 - 871

The Seiko 4421-871 represents an important milestone in Seiko's 1989 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-f2a3052004d6]

Also known as: Sumo, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1989

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