Seiko Cal. 3863 - 774

The Seiko 3863-774 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8510e00dfde0]

Also known as: Sumo, Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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