Seiko Cal. 5640 - 821

Seiko 5640-821

This Kinetic model from 1985 features a 45mm Two-Tone case. Powered by the 5640 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-4e28d8121268]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
36j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1985

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seikata-wm-4e28d8121268