Seiko Cal. 6181 - 591

The Seiko 6181-591 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-59f3f12f0b70]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1984

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