Seiko Cal. 6378 - 884

This Hand-Winding model from 1986 features a 37mm PVD Black case. Powered by the 6378 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-766ee3621772]

Also known as: Goldfeather, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1986

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