Seiko Cal. 3813 - 145

Seiko 3813-145

The 3813-145 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3813 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-338d2b68e714]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Champagne
Jewels
21j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1987

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