Seiko Cal. 6638 - 959

Seiko 6638-959

This Kinetic model from 1981 features a 46mm Gold-Plated case. Powered by the 6638 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f50209bb2bba]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1981

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