Seiko Cal. 3890 - 356

The Seiko 3890-356 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-15c3990bf2ac]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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