Seiko Cal. 6631 - 524

Seiko 6631-524

The 6631-524 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6631 caliber with 35j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-7173e535da4b]

Also known as: Arnie

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
35j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1968

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