Seiko Cal. 6646 - 328

The Seiko 6646-328 represents an important milestone in Seiko's 1980 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-e902cc46d276]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1980

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