Seiko Cal. 3863 - 435

This Hand-Winding model from 1977 features a 43mm Two-Tone case. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-2355329233f8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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