Seiko Cal. 3880 - 978

The Seiko 3880-978 represents an important milestone in Seiko's 1995 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-805f72a45a11]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1995

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