Seiko Cal. 4578 - 368

The 4578-368 is a sought-after Solar piece from Seiko's golden era. Powered by the 4578 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-2ac01e338d5f]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

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