Seiko Cal. 6643 - 689

This Quartz model from 1989 features a 46mm PVD Black case. Powered by the 6643 caliber with 25j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-3255388e7fde]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1989

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