Seiko Cal. 6198 - 990

The Seiko 6198-990 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-7c6a4e2a868d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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