Seiko Cal. 6634 - 847

Seiko 6634-847

The 6634-847 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-4e167f3b48f8]

Also known as: Sumo, World Timer

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
42mm
Case Thickness
14.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Burgundy
Jewels
22j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1974

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