Seiko Cal. 4528 - 102

Seiko 4528-102

The 4528-102 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-d8351d9c8a25]

Also known as: Helmet, Crown

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Black
Jewels
22j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1978

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