Seiko Cal. 4428 - 972

Seiko 4428-972

The Seiko 4428-972 represents an important milestone in Seiko's 1998 lineup. Powered by the 4428 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-7737e255332c]

Also known as: Emperor, Arnie

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1998

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seikata-wm-7737e255332c