Seiko Cal. 6399 - 994

This Solar model from 1986 features a 36mm Titanium case. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-a452b3f6a537]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1986

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