Seiko Cal. 4438 - 630

The Seiko 4438-630 represents an important milestone in Seiko's 1980 lineup. Powered by the 4438 caliber with 22j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-24d636b54c87]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1980

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