Seiko Cal. 3869 - 510

This Hand-Winding model from 1974 features a 46mm Hardlex-Coated Steel case. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-dc9f858563c8]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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