Seiko Cal. 6637 - 363

This Quartz model from 1998 features a 39mm Stainless Steel case. Powered by the 6637 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-7af4eded58b5]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1998

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