Seiko Cal. 6389 - 621

The Seiko 6389-621 represents an important milestone in Seiko's 1972 lineup. Powered by the 6389 caliber with 22j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-681537b7d9fc]

Also known as: Pogue, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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