Seiko Cal. 0721 - 411

Seiko 0721-411

The 0721-411 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fba9b7696490]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Cream
Jewels
34j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1974

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seikata-wm-fba9b7696490