Seiko Cal. 4528 - 728

Seiko 4528-728

This Solar model from 1982 features a 39mm Stainless Steel case. Powered by the 4528 caliber with 32j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b3f283ad1fd0]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1982

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