Seiko Cal. 4528 - 820

Seiko 4528-820

The 4528-820 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f4e7fbc1278b]

Also known as: Crown, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
21j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1965

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