Seiko Cal. 6221 - 631

Seiko 6221-631

The 6221-631 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6221 caliber with 25j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-66c92fc952a1]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
42mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1972

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