Seiko Cal. 4564 - 720

Seiko 4564-720

The 4564-720 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4564 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-acc8b454da78]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1990

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seikata-wm-acc8b454da78