Seiko Cal. 6638 - 541

This Hand-Winding model from 1999 features a 43mm Two-Tone case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-43d216e9e794]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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