Seiko Cal. 6647 - 956

Seiko 6647-956

The 6647-956 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-d0d55a5aed74]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
32j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1971

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