Seiko Cal. 0728 - 146

This Hand-Winding model from 1980 features a 43mm Gold-Plated case. Powered by the 0728 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d471cfc9bfba]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1980

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