Seiko Cal. 6340 - 812

Seiko 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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