Seiko Cal. 0728 - 843

This Solar model from 1971 features a 42mm Stainless Steel case. Powered by the 0728 caliber with 18j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-195795c64bf8]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1971

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