Seiko Cal. 6638 - 389

This Quartz model from 1999 features a 40mm PVD Black case. Powered by the 6638 caliber with 21j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-29184f17641b]

Also known as: Shogun, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1999

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