Seiko Cal. 4528 - 810

The Seiko 4528-810 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ca98ea24fd4f]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1989

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