Seiko Cal. 0731 - 222

The Seiko 0731-222 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-8e022c6b5963]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1986

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