Seiko Cal. 6634 - 730

Seiko 6634-730

The 6634-730 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-711454c3d7d6]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
41mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1990

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