Seiko Cal. 7021 - 728

Seiko 7021-728

Released in 1965, the Cal. 7021 with design code 728 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-311cc18a5701]

Also known as: Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1965

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seikata-wm-311cc18a5701