Seiko Cal. 5641 - 664

Seiko 5641-664

This Spring Drive model from 1967 features a 46mm Gold-Plated case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-d636d7b510a7]

Also known as: Tuna, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
26j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1967

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seikata-wm-d636d7b510a7