Seiko Cal. 6378 - 812

The Seiko 6378-812 represents an important milestone in Seiko's 1998 lineup. Powered by the 6378 caliber with 32j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c31691d060f1]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1998

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