Seiko Cal. 4431 - 676

The Seiko 4431-676 represents an important milestone in Seiko's 1998 lineup. Powered by the 4431 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-03d1af5a2dfe]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1998

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