Seiko Cal. 3863 - 745

The Seiko 3863-745 represents an important milestone in Seiko's 1977 lineup. Powered by the 3863 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-913c1f01f2b9]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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