Seiko Cal. 4528 - 521

Seiko 4528-521

The 4528-521 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-0c6e637863ba]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
36mm
Case Thickness
8.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1982

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