Seiko Cal. 6647 - 553

The Seiko 6647-553 represents an important milestone in Seiko's 1985 lineup. Powered by the 6647 caliber with 19j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-6f25aaa4e782]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1985

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