Seiko Cal. 7138 - 838

Released in 1991, the Cal. 7138 with design code 838 was part of Seiko's domestic market collection. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-a13bb98fc2e4]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1991

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