Seiko Cal. 4528 - 904

Seiko 4528-904

Released in 1980, the Cal. 4528 with design code 904 was part of Seiko's domestic market collection. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-eec286b57cfb]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1980

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