Seiko Cal. 7021 - 315

Seiko 7021-315

The 7021-315 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7021 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-3b12c36f6a64]

Also known as: Silverwave, Crown

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1978

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