Seiko Cal. 6181 - 277

The Seiko 6181-277 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-3d733297d9ed]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1969

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