Seiko Cal. 6639 - 998

Seiko 6639-998

This Kinetic model from 1998 features a 43mm Two-Tone case. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-c7583f582059]

Also known as: Sumo, Helmet

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1998

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seikata-wm-c7583f582059