Seiko Cal. 6646 - 531

Seiko 6646-531

The Seiko 6646-531 represents an important milestone in Seiko's 1985 lineup. Powered by the 6646 caliber with 20j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-8903c33b8dfd]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1985

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