Seiko Cal. 4578 - 357

The 4578-357 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4578 caliber with 25j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-09bd0c9d408c]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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