Seiko Cal. 6391 - 368

This Spring Drive model from 1988 features a 42mm Stainless Steel case. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-ca5ee2ae8384]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1988

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