Seiko Cal. 4528 - 500

Released in 1987, the Cal. 4528 with design code 500 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-91b0e10c39b5]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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