Seiko Cal. 6163 - 688

Released in 1975, the Cal. 6163 with design code 688 was part of Seiko's domestic market collection. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-b2056ad38eb6]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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