Seiko Cal. 3863 - 443

The 3863-443 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3863 caliber with 34j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-c549171a5bc9]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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