Seiko Cal. 6683 - 515

This Spring Drive model from 1979 features a 42mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-3165dd43f0f7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

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