Seiko Cal. 7023 - 657

Seiko 7023-657

The 7023-657 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-86cc84a8f3b0]

Also known as: Sumo, Flighty

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
43mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1987

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