Seiko Cal. 0790 - 821

Seiko 0790-821

The 0790-821 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f50dd75b9028]

Also known as: Sumo, Bullhead

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1979

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