Seiko Cal. 3811 - 181

Seiko 3811-181

The 3811-181 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-3695a8229659]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1975

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seikata-wm-3695a8229659