Seiko Cal. 6198 - 656

Released in 1978, the Cal. 6198 with design code 656 was part of Seiko's domestic market collection. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8ffaa254bc05]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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