Seiko Cal. 4428 - 850

Seiko 4428-850

The Seiko 4428-850 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-8ed67acf8768]

Also known as: Monster, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1997

Related Models

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