Seiko Cal. 6398 - 204

Released in 1971, the Cal. 6398 with design code 204 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-af51dc6928f2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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