Seiko Cal. 4528 - 446

The Seiko 4528-446 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-3588c3cdbc78]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1972

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