Seiko Cal. 3816 - 911

Seiko 3816-911

The 3816-911 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3816 caliber with 33j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-9207c46674ef]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
9.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
33j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1972

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