Seiko Cal. 0728 - 640

Seiko 0728-640

The Seiko 0728-640 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-13c5bdc14757]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1987

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seikata-wm-13c5bdc14757