Seiko Cal. 6161 - 191

The Seiko 6161-191 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f6fae54f6919]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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