Seiko Cal. 3863 - 921

The Seiko 3863-921 represents an important milestone in Seiko's 1980 lineup. Powered by the 3863 caliber with 28j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-b2e0f77c9b53]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1980

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