Seiko Cal. 6628 - 679

Seiko 6628-679

The 6628-679 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6628 caliber with 20j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-39f89598b2dc]

Also known as: Shogun, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
White
Jewels
20j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1975

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seikata-wm-39f89598b2dc