Seiko Cal. 3817 - 636

Seiko 3817-636

The 3817-636 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-103f4c64d608]

Also known as: Helmet, Silverwave

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1999

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seikata-wm-103f4c64d608