Seiko Cal. 6161 - 831

The Seiko 6161-831 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3db17da8426f]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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