Seiko Cal. 4528 - 981

Seiko 4528-981

The Seiko 4528-981 represents an important milestone in Seiko's 1983 lineup. Powered by the 4528 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1c869eb53fae]

Also known as: Monster, Navigator

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
38mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1983

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