Seiko Cal. 6646 - 617

This Quartz model from 1989 features a 39mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3abd78c1804d]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1989

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