Seiko Cal. 3884 - 706

This Hand-Winding model from 1970 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-acda39dd480a]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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