Seiko Cal. 6628 - 664

The Seiko 6628-664 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-265e879b2d23]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1993

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