Seiko Cal. 3890 - 260

The Seiko 3890-260 represents an important milestone in Seiko's 1992 lineup. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-47ab3c71c77f]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1992

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