Seiko Cal. 6390 - 812

Released in 1996, the Cal. 6390 with design code 812 was part of Seiko's domestic market collection. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-9be476def665]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1996

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