Seiko Cal. 6640 - 475

This Kinetic model from 1998 features a 38mm PVD Black case. Powered by the 6640 caliber with 35j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-4ef87cfcfce8]

Also known as: Bellmatic, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1998

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