Seiko Cal. 6638 - 878

This Quartz model from 1997 features a 36mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-0090c67381e3]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1997

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