Seiko Cal. 6613 - 121

Seiko 6613-121

The 6613-121 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6613 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d1b89baee3a5]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1977

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