Seiko Cal. 5663 - 975

The Seiko 5663-975 represents an important milestone in Seiko's 1999 lineup. Powered by the 5663 caliber with 30j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-05335323f032]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1999

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