Seiko Cal. 4515 - 378

Seiko 4515-378

The Seiko 4515-378 represents an important milestone in Seiko's 1973 lineup. Powered by the 4515 caliber with 31j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a2fe373164fb]

Also known as: Rally

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1973

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