Seiko Cal. 6688 - 478

This Hand-Winding model from 1988 features a 41mm PVD Black case. Powered by the 6688 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-e1443fd76218]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1988

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