Seiko Cal. 7028 - 739

Seiko 7028-739

The 7028-739 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-b1604728c36d]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1977

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