Seiko Cal. 6191 - 512

The Seiko 6191-512 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d8a6545eecd4]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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