Seiko Cal. 6391 - 290

This Solar model from 1989 features a 39mm Titanium case. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-7a0635edee42]

Also known as: Helmet, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1989

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