Seiko Cal. 5643 - 657

Seiko 5643-657

This Quartz model from 1968 features a 40mm Two-Tone case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a26028bf9e3d]

Also known as: Samurai, Goldfeather

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1968

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