Seiko Cal. 6658 - 227

Seiko 6658-227

The Seiko 6658-227 represents an important milestone in Seiko's 1996 lineup. Powered by the 6658 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-566c2ae468a3]

Also known as: Tuna, Silverwave

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1996

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