Seiko Cal. 4521 - 771

The Seiko 4521-771 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-56fb8a229169]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1998

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