Seiko Cal. 3863 - 707

This Hand-Winding model from 1969 features a 35mm Stainless Steel case. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-7f22cb7061e8]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1969

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