Seiko Cal. 6278 - 346

The Seiko 6278-346 represents an important milestone in Seiko's 1974 lineup. Powered by the 6278 caliber with 34j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-4c84576a7a63]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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