Seiko Cal. 6656 - 227

Seiko 6656-227

The Seiko 6656-227 represents an important milestone in Seiko's 1978 lineup. Powered by the 6656 caliber with 29j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-08f71696378f]

Also known as: Monster, Sumo

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1978

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