Seiko Cal. 6643 - 709

This Quartz model from 1998 features a 44mm Two-Tone case. Powered by the 6643 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-017f3bc44dae]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1998

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