Seiko Cal. 3864 - 720

This Spring Drive model from 1999 features a 37mm PVD Black case. Powered by the 3864 caliber with 17j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-d2608b71da21]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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