Seiko Cal. 4528 - 970

The Seiko 4528-970 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-e003127c522e]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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