Seiko Cal. 4528 - 850

This Quartz model from 1979 features a 38mm Gold-Plated case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-749ad515cc33]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1979

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