Seiko Cal. 6629 - 637

Seiko 6629-637

The 6629-637 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-aec85b87c27b]

Also known as: Shogun, Panda

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Navy
Jewels
33j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1970

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