Seiko Cal. 0784 - 678

Seiko 0784-678

The 0784-678 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-1d279cc9b5b3]

Also known as: Monster, Bellmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
120m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1978

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