Seiko Cal. 0728 - 911

This Quartz model from 1980 features a 40mm Hardlex-Coated Steel case. Powered by the 0728 caliber with 30j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-c7ba0042aeb7]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1980

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