Seiko Cal. 6627 - 844

Seiko 6627-844

The 6627-844 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a9dbd42ba9b3]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1977

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