Seiko Cal. 7181 - 936

The Seiko 7181-936 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-50924728916b]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1980

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