Seiko Cal. 6628 - 710

Seiko 6628-710

The 6628-710 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1d9e30f73364]

Also known as: Helmet, Emperor

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1990

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