Seiko Cal. 6278 - 660

Released in 1989, the Cal. 6278 with design code 660 was part of Seiko's domestic market collection. Powered by the 6278 caliber with 19j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-0cf4487b342d]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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