Seiko Cal. 6678 - 391

Seiko 6678-391

This Automatic model from 1986 features a 40mm Two-Tone case. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-ac9e4860e75c]

Also known as: Bullhead, Crown

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1986

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seikata-wm-ac9e4860e75c