Seiko Cal. 7128 - 722

Seiko 7128-722

The Seiko 7128-722 represents an important milestone in Seiko's 1983 lineup. Powered by the 7128 caliber with 27j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3e97a254ed63]

Also known as: World Timer, Arnie

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1983

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