Seiko Cal. 6657 - 821

Seiko 6657-821

This Kinetic model from 1975 features a 46mm PVD Black case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-eafbae8e8bc9]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Burgundy
Jewels
25j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1975

Related Models

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