Seiko Cal. 3811 - 815

Seiko 3811-815

The 3811-815 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-99d5420e1bed]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1986

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