Seiko Cal. 4528 - 279

This Hand-Winding model from 1981 features a 34mm Hardlex-Coated Steel case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-92428cac7fb3]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1981

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