Seiko Cal. 6678 - 452

The Seiko 6678-452 represents an important milestone in Seiko's 1989 lineup. Powered by the 6678 caliber with 29j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-f6cc155456af]

Also known as: Sea Horse, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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