Seiko Cal. 3815 - 180

Seiko 3815-180

The 3815-180 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3815 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-83a9383f22a8]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1972

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seikata-wm-83a9383f22a8