Seiko Cal. 6654 - 527

The Seiko 6654-527 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-45bd22fcd929]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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