Seiko Cal. 5230 - 639

The 5230-639 is a sought-after Solar piece from Seiko's golden era. Powered by the 5230 caliber with 20j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-d90aa2e350dd]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1990

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