Seiko Cal. 6391 - 384

The Seiko 6391-384 represents an important milestone in Seiko's 1969 lineup. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-9f5be88e5413]

Also known as: Monster, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

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