Seiko Cal. 3891 - 978

Released in 1996, the Cal. 3891 with design code 978 was part of Seiko's domestic market collection. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-bd9ac8830ff4]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1996

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