Seiko Cal. 6278 - 648

The Seiko 6278-648 represents an important milestone in Seiko's 1966 lineup. Powered by the 6278 caliber with 19j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-ac41b6ebebd0]

Also known as: UFO, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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