Seiko Cal. 4431 - 676

Seiko 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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