Seiko Cal. 0728 - 775

Seiko 0728-775

The Seiko 0728-775 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1d7289e8e9e6]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
28j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1974

Related Models

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