Seiko Cal. 3813 - 171

Seiko 3813-171

The 3813-171 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2b213c4798f5]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
White
Jewels
29j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1973

Related Models

seikata-wm-2b213c4798f5