Seiko Cal. 6628 - 401

The Seiko 6628-401 represents an important milestone in Seiko's 1994 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-bd922872f8f2]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1994

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