Seiko Cal. 3811 - 394

Seiko 3811-394

The 3811-394 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3811 caliber with 20j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-e76d1a960b4b]

Also known as: Turtle, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1998

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