Seiko Cal. 4578 - 399

The 4578-399 is a sought-after Solar piece from Seiko's golden era. Powered by the 4578 caliber with 27j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-6b460777a317]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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