Seiko Cal. 6644 - 537

This Quartz model from 1989 features a 44mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-683531b7b3ee]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1989

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