Seiko Cal. 0772 - 846

This Hand-Winding model from 1987 features a 46mm Hardlex-Coated Steel case. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-0d576359cd3d]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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