Seiko Cal. 4438 - 991

The Seiko 4438-991 represents an important milestone in Seiko's 1997 lineup. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-53de356dd50d]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1997

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