Seiko Cal. 4521 - 439

Seiko 4521-439

The Seiko 4521-439 represents an important milestone in Seiko's 1982 lineup. Powered by the 4521 caliber with 32j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-8d83acecdf52]

Also known as: Panda, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
10.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1982

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