Seiko Cal. 4440 - 661

This Spring Drive model from 1994 features a 43mm PVD Black case. Powered by the 4440 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-76de156f07a7]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1994

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