Seiko Cal. 4573 - 391

This Solar model from 1966 features a 37mm Two-Tone case. Powered by the 4573 caliber with 20j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-26327d0e8192]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1966

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