Seiko Cal. 7021 - 615

Seiko 7021-615

The 7021-615 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7021 caliber with 18j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-472ceff2a13e]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Cream
Jewels
18j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1985

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seikata-wm-472ceff2a13e