Seiko Cal. 4431 - 635

This Solar model from 1998 features a 40mm PVD Black case. Powered by the 4431 caliber with 29j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-c5c2a018d582]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1998

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