Seiko Cal. 3890 - 563

The Seiko 3890-563 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-aa3dd26f215b]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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