Seiko Cal. 6278 - 342

The Seiko 6278-342 represents an important milestone in Seiko's 1990 lineup. Powered by the 6278 caliber with 35j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d070c25942d1]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1990

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