Seiko Cal. 4489 - 371

The Seiko 4489-371 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-03248ca39b37]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

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