Seiko Cal. 3890 - 657

The Seiko 3890-657 represents an important milestone in Seiko's 1990 lineup. It features a White dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-b507fb4eaa22]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1990

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