Seiko Cal. 3874 - 398

The 3874-398 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-bb4b9291d34d]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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