Seiko Cal. 6198 - 634

Released in 1971, the Cal. 6198 with design code 634 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8ca55eecfdf7]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

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