Seiko Cal. 3811 - 820

Seiko 3811-820

This Hand-Winding model from 1966 features a 36mm Titanium case. Powered by the 3811 caliber with 27j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-78210a6bf447]

Also known as: Panda

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1966

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seikata-wm-78210a6bf447