Seiko Cal. 6628 - 229

This Hand-Winding model from 1991 features a 37mm Stainless Steel case. Powered by the 6628 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-6985f0ef293a]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

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