Seiko Cal. 3811 - 818

Seiko 3811-818

This Automatic model from 1989 features a 38mm Stainless Steel case. Powered by the 3811 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-66b723c02a4e]

Also known as: Crown, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1989

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