Seiko Cal. 6644 - 778

This Quartz model from 1995 features a 39mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-4b97fc7432da]

Also known as: Rally, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1995

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