Seiko Cal. 6644 - 570

This Hand-Winding model from 1998 features a 41mm Two-Tone case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-47ef815b53be]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1998

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