Seiko Cal. 7028 - 687

Seiko 7028-687

The 7028-687 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-5ff2553114f8]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1990

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