Seiko Cal. 0728 - 503

Seiko 0728-503

The Seiko 0728-503 represents an important milestone in Seiko's 1981 lineup. Powered by the 0728 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-53161ed50724]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1981

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