Seiko Cal. 0728 - 430

The 0728-430 is a sought-after Solar piece from Seiko's golden era. Powered by the 0728 caliber with 31j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-5ac389a49918]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1984

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