Seiko Cal. 4548 - 780

Seiko 4548-780

The Seiko 4548-780 represents an important milestone in Seiko's 1999 lineup. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-d715abb5b659]

Also known as: Monster, Bullhead

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
12.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1999

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