Seiko Cal. 6643 - 324

This Quartz model from 1994 features a 36mm Two-Tone case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-844b6cd48ddd]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1994

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