Seiko Cal. 6637 - 400

Seiko 6637-400

The 6637-400 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-523a33bae733]

Also known as: Monster, Sea Horse

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
35mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1967

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