Seiko Cal. 4427 - 870

The Seiko 4427-870 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-d38756d7537c]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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