Seiko Cal. 6628 - 739

Seiko 6628-739

The Seiko 6628-739 represents an important milestone in Seiko's 1982 lineup. Powered by the 6628 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-d23261ebaec1]

Also known as: Rally, Bellmatic

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1982

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