Seiko Cal. 4425 - 591

This Solar model from 1977 features a 36mm Titanium case. Powered by the 4425 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ec0684785104]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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