Seiko Cal. 4515 - 822

Seiko 4515-822

The 4515-822 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4515 caliber with 36j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-c52783e4d6d0]

Also known as: Sumo, Shogun

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Green
Jewels
36j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1976

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