Seiko Cal. 4431 - 766

Seiko 4431-766

The Seiko 4431-766 represents an important milestone in Seiko's 1991 lineup. Powered by the 4431 caliber with 20j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-658843cdbe2a]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1991

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seikata-wm-658843cdbe2a