Seiko Cal. 3891 - 386

The Seiko 3891-386 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1664bcc6d2e9]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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