Seiko Cal. 0728 - 193

This Solar model from 1977 features a 34mm Hardlex-Coated Steel case. Powered by the 0728 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-f6ac6eced8db]

Also known as: Navigator, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

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