Seiko Cal. 6639 - 991

Seiko 6639-991

This Kinetic model from 1994 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ec45d43238c2]

Also known as: Monster, UFO

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1994

Related Models

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