Seiko Cal. 6635 - 831

Seiko 6635-831

The 6635-831 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-0b76d770ec77]

Also known as: Shogun, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1968

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seikata-wm-0b76d770ec77