Seiko Cal. 3816 - 311

Seiko 3816-311

The 3816-311 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3816 caliber with 19j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-d66b53133d34]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1975

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