Seiko Cal. 7023 - 328

Seiko 7023-328

The 7023-328 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-5e921020a6cc]

Also known as: Sumo, Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
White
Jewels
30j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1973

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