Seiko Cal. 6389 - 778

This Hand-Winding model from 1986 features a 37mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-ca7d4971fd0b]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1986

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