Seiko Cal. 6163 - 775

This Spring Drive model from 1977 features a 39mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-5f3a38d6989c]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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