Seiko Cal. 5640 - 920

This Solar model from 1989 features a 39mm Two-Tone case. Powered by the 5640 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-429410468f3d]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1989

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