Seiko Cal. 5664 - 672

Seiko 5664-672

The 5664-672 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5664 caliber with 17j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-73b7b0a8c79a]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
8.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1991

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