Seiko Cal. 6340 - 812

The Seiko 6340-812 represents an important milestone in Seiko's 1990 lineup. Powered by the 6340 caliber with 30j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-1189ad4579c9]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1990

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