Seiko Cal. 4578 - 102

This Hand-Winding model from 1968 features a 39mm Stainless Steel case. Powered by the 4578 caliber with 24j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-3ba19c1b0fab]

Also known as: UFO, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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