Seiko Cal. 4515 - 604

Seiko 4515-604

This Spring Drive model from 1972 features a 44mm Stainless Steel case. Powered by the 4515 caliber with 23j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-258582332c6e]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1972

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