Seiko Cal. 6391 - 806

This Solar model from 1978 features a 45mm PVD Black case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ef28feb7e1a9]

Also known as: Samurai, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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