Seiko Cal. 3817 - 689

This Kinetic model from 1972 features a 40mm PVD Black case. Powered by the 3817 caliber with 32j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-676228bdaf94]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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