Seiko Cal. 6650 - 278

The Seiko 6650-278 represents an important milestone in Seiko's 1986 lineup. Powered by the 6650 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-b09b2b88577f]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1986

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