Seiko Cal. 5637 - 913

Seiko 5637-913

The 5637-913 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-50cccf569513]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1967

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seikata-wm-50cccf569513