Seiko Cal. 7064 - 631

Seiko 7064-631

The 7064-631 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7064 caliber with 30j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-9553e3eff953]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1985

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seikata-wm-9553e3eff953