Seiko Cal. 7021 - 787

Seiko 7021-787

The 7021-787 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-77ea4208564f]

Also known as: Samurai, Emperor

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1983

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