Seiko Cal. 6198 - 840

The Seiko 6198-840 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d6fd16d5f123]

Also known as: Tuna, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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