Seiko Cal. 3874 - 387

The Seiko 3874-387 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-2750e4f7c9a9]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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