Seiko Cal. 4421 - 139

The Seiko 4421-139 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-bdf37c6e27a8]

Also known as: Samurai, Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1991

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