Seiko Cal. 3863 - 658

The Seiko 3863-658 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-d09ee500b096]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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