Seiko Cal. 7147 - 637

The Seiko 7147-637 represents an important milestone in Seiko's 1989 lineup. Powered by the 7147 caliber with 19j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-e89cbd327401]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1989

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