Seiko Cal. 3813 - 155

Seiko 3813-155

The 3813-155 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3813 caliber with 32j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-af332e919a23]

Also known as: Sumo, Emperor

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1971

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