Seiko Cal. 3813 - 427

Seiko 3813-427

The Seiko 3813-427 represents an important milestone in Seiko's 1970 lineup. Powered by the 3813 caliber with 22j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-f8d93afe1763]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1970

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