Seiko Cal. 3839 - 670

The Seiko 3839-670 represents an important milestone in Seiko's 1993 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c2f33cf819b5]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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