Seiko Cal. 7021 - 811

Seiko 7021-811

The 7021-811 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c39f9bf18ad9]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
22j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1978

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