Seiko Cal. 6637 - 251

Seiko 6637-251

This Kinetic model from 1992 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-4ddf85d067e3]

Also known as: Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
33j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1992

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