Seiko Cal. 7147 - 446

This Spring Drive model from 1983 features a 37mm Two-Tone case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-bbbf7838d69a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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