Seiko Cal. 6658 - 278

Seiko 6658-278

The 6658-278 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6658 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-03b566872861]

Also known as: Monster, Shogun

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1994

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seikata-wm-03b566872861